BLU Grand M2 Common Problems and Solutions

Are you experiencing issues with your BLU Grand M2, such as overheating, charging problems, app malfunctions, screen glitches, or battery drain?

No need to worry. In this article, we’ve compiled a comprehensive guide on the most common problems faced by BLU Grand M2 users, as well as tips and tricks on how to solve them.

Let’s start by taking a quick look at the device’s specs.

Device Name	BLU Grand M2
Brand	BLU
Launch Date	Released 2017, October
OS	Android 7.0
Chipset	MT6580
Storage & RAM	8GB 1GB RAM
Camera	5 MP Main Camera, 5 MP Selfie Camera
Display	5.2" IPS LCD
Battery	2600mAh, Li-Po
Colors	Black, Gold, Silver, Red, Rose Gold

Although the BLU Grand M2 is an excellent phone, there are still some issues with it. Creating a flawless smartphone device is quite challenging, and manufacturers may only sometimes be able to eliminate all the problems before launching.

But don’t fret. This guide provides solutions and fixes to various BLU Grand M2 problems.

BLU Grand M2 Overheating

The three main components responsible for heating up your phone are the system-on-chip (SoC), the battery, and the screen.

It is normal for a phone to generate some heat, but how can you tell if it is overheating?

One way to determine if your BLU Grand M2 is overheating is by placing the phone against your ear and cheeks, just as you would during a phone call. If it feels uncomfortably hot, it is overheating.

To fix overheating issues when using the device normally, do the following:

Fix BLU Grand M2 Overheating under Normal Use

If your phone only heats up while charging, skip to the next section.

Often, a processor and a bright screen pushing to maximum capacity are the primary causes of a smartphone heating up. Your phone gets hot when it uses the processor excessively.

To maintain optimal temperature on your phone and avoid overheating, your phone’s heat passes to the screen, dissipating the heat into the air and your hand.

The ideal solution to overheating and other issues is installing a firmware update. Manufacturers often release firmware updates that solve overheating and other problems. Hence, make sure to check for and download any available updates.

Sometimes, several firmware updates need to be installed sequentially. Therefore, ensure you’ve installed all available updates to solve your phone’s overheating issues.

Tips to Address Heating Problems in BLU Grand M2

Heating issues are common while performing certain activities on your smartphone.

However, some measures can help reduce overheating. Read on for tips after each activity to minimize this problem.

Gaming

While gaming, your phone may heat up, which is quite normal. Try to take short breaks to allow your BLU Grand M2 to cool down.

Bulky Cases

Avoiding bulky cases as a thicker case does not necessarily mean better fall protection. A mobile case with thicker corners could offer the best protection instead.

Buggy Apps

Always download apps from reputable developers and install them via the Play Store. Choose to update apps regularly to fix bugs and minimize overheating issues.

Extended Video Recording

Extended video recording periods can cause your phone to overheat and drain the phone battery quickly. Using the camera with the flash on can make the situation worse. So, it’s best to turn off the flash when it isn’t needed.

Running Resource-Hungry Tasks

Activities such as gaming, video editing, WiFi-Hotspot, screen mirroring, and streaming require more resources than others. Prudent use of these features can minimize overheating problems.

How to Fix BLU Grand M2 Overheating While Charging

Your BLU Grand M2 may often heat up during charging due to the power provided by the charger. Fast chargers can even supply up to 240W of power!. Here are some tips to fix overheating during charging:

Firmware Update

Updating the firmware of your smartphone is crucial as it can effectively resolve various issues. So, check for available updates and install them promptly and regularly.

This practice ensures your device operates smoothly and benefits from the latest improvements and bug fixes.

Remove Your Case

Removing the case from your phone can indeed help with heat dissipation. Cases, especially those made of non-breathable materials, can trap heat, potentially leading to overheating due to improper ventilation.

Heat can dissipate more effectively by removing the case, reducing the risk of thermal damage to the device’s components.

Charger

Using an original or compatible charger can significantly reduce overheating problems.

Reputable brands and smartphone-certified chargers precisely deliver the correct voltage and current.

Using unauthorized chargers can lead to higher voltage fluctuations, causing excessive heat generation and potentially damaging your device.

Don’t Game While Charging

All smartphones naturally generate heat when charged due to the electrical current flowing through them. However, playing games on a charging phone can intensify this heat production.

To prevent potential overheating and maintain the health of your device, it is advisable to refrain from gaming when your phone is charging.

Charge in a Cool Environment

Charging your phone in a cool environment is crucial for its battery health. High temperatures accelerate the degradation of lithium-ion batteries, leading to reduced capacity and shorter lifespan.

Exposure to direct sunlight or hot car interiors can cause the battery temperature to rise rapidly, impacting its performance and longevity.

Disable Fast Charging

Turning off fast charging can be helpful to mitigate overheating issues in smartphones. Fast charging generates more heat, which can strain the device’s battery and components.

Additionally, using older chargers with lower power output reduces the charging speed, allowing the device to cool down during charging.

If these tips do not help, consider visiting an authorized service center for diagnosis and repairs.

BLU Grand M2 Screen Issues: How to Fix Them

One potential issue when utilizing the BLU Grand M2 is a malfunctioning screen.

The screen serves as a fundamental aspect of smartphones, which implies that if it’s not operating efficiently, it could pose a significant issue.

Encountering a non-functional screen could be one of the most undesirable problems one could experience when using a brand-new device.

Below, I have provided some tips to help you troubleshoot and fix the most common screen issues.

Fix Screen Issues on the BLU Grand M2

Multiple factors can cause screen malfunctions. Use the following tips to address the issue at hand.

Device Restart

Restarting your phone is a basic troubleshooting step that can resolve numerous phone software-related issues.

The device clears its memory by rebooting and reloading all the essential processes, resolving temporary glitches and restoring normal functionality.

It’s a simple yet effective solution that can save time and effort in identifying complex problems.

Hold the Power Button or Power Key to restart your phone and click on Restart quickly.

Dirty Screen

When a phone screen is dirty, it can hinder touchscreen performance and negatively impact the user experience.

Dirt, dust, oil, grease, and liquid spills are common culprits. To clean your screen effectively, use a soft cloth.

It is essential to avoid using alcohol or other chemicals as they can potentially damage the oleophobic coating on the screen, which helps repel fingerprints and smudges.

By using a gentle cloth and avoiding harsh chemicals, you can maintain the cleanliness and functionality of your phone screen.

Screen Protector

Screen protectors are essential accessories for mobile devices, as they shield delicate screens from scratches and damage.

However, screen protectors can wear out or damage over time, reducing touch responsiveness.

Replace worn-out or damaged screen protectors with new ones for optimal touch sensitivity.

Power Saving Mode

Your phone’s performance may be affected if the power-saving mode is enabled. This feature throttles down your device to conserve battery life.

Go to your phone’s settings and enable power-saving mode.

Note that this mode may be disabled automatically once your battery level reaches 15% or above.

Water Damage

Accidentally exposing your phone or device to water can cause water damage inside the screen and other components.

If you suspect your phone has been exposed to water, take these steps:

• Turn off your phone immediately.
• Put your phone in a bag of rice for at least 24 hours.

This is a common DIY method, as rice is known to absorb moisture.

However, it is crucial to note that this method is not foolproof and may only sometimes be effective.

So, if it fails, seeking professional assistance from an authorized service center is the recommended course of action to ensure proper and thorough repair of water-damaged phones.

Damaged Screen

A damaged screen is one of the most common causes of an unresponsive screen. Check your phone for signs of cracks, dents, or discoloration.

Remove the case (if any) and scrutinize it under sunlight. Replace your phone’s screen if you spot any physical damage, such as cracks or dents.

I recommend bringing your phone to an authorized service center to get it fixed by a professional.

Authorized service centers have skilled technicians who can replace the screen with genuine parts, ensuring optimal performance and preserving your phone’s warranty. Avoid attempting DIY repairs, as it may void the warranty and further damage your device.

So, with these tips, you can troubleshoot and fix most screen issues on your BLU Grand M2. If the problem persists, contact BLU support for assistance.

BLU Grand M2: Solutions for Slow or Laggy User Interface

People often complain about the slow user interface on the BLU Grand M2, which is a significant issue. Laggy UI causes the animations to stutter, and opening apps or performing any task on the phone becomes tiresome due to longer processing time.

Laggy UI can deteriorate the overall experience of the phone and make it difficult to use.

At times, the screen freezes, further frustrating the users.

Therefore, if you encounter any form of sluggish user interface on your BLU Grand M2, you can try the following solutions.

Fix Laggy UI in BLU Grand M2

Low Storage Space

Insufficient storage space is a common issue that can significantly impact a device’s performance. When storage is running low, several problems may arise.

Firstly, data corruption becomes more likely as the device struggles to allocate space for new files or updates. Secondly, low storage can force the operating system to delete unused apps or clear app caches, resulting in a slower user interface.

Additionally, limited storage hinders the device’s ability to smoothly run background processes and system updates. To alleviate this issue, it is advisable to uninstall unused third-party apps and transfer media files to an external device, such as a computer or cloud storage, to free up space and improve overall device performance.

Insufficient Memory

Random Access Memory, abbreviated as RAM, is the device’s primary memory responsible for storing apps, documents, and media files like music, videos, photos, etc., for seamless accessibility.

The capacity of your phone’s RAM determines its multitasking ability. Presently, phones feature RAMs ranging from 1GB to 18 GB. However, most devices possess only 4 to 8GB of RAM, which may not suffice if several apps are open simultaneously.

Uninstalling redundant applications is an effective strategy to reduce RAM consumption. Installing more apps occupies more space, leaving less RAM capacity for the operating system to function correctly.

You can further optimize RAM usage by installing light versions of apps like Facebook Lite, Messenger Lite, Twitter Lite, and YouTube, among others.

Older versions of Android devices are susceptible to poor RAM management, making upgrading to the latest firmware essential.

Malware Infection

A malware-infected phone can significantly affect its speed and performance. You can detect a potential malware attack via a virus scanner.

Several reliable and efficient virus scanner apps are available in the market. It would be best to use one of them to scan your phone and eliminate any malware slowing your device’s speed.

Outdated Hardware

Outdated hardware can significantly impact the performance of a device, leading to UI lags. As technology advances, newer applications and phone software updates require more processing power and memory.

It can be sluggish if an old phone needs more resources to handle these demands. The ageing components, such as the processor and RAM, may need help to keep up with the increased workload, causing delays and lags in the user interface.

In such cases, upgrading to a new phone with more capable hardware becomes necessary to ensure a smooth and responsive user experience.

Following these solutions can solve the laggy user interface issue and improve your overall experience on your BLU Grand M2.

BLU Grand M2 Battery Drains Quickly: Tips to Fix it

Is your BLU Grand M2 battery draining too fast? Several factors can contribute to the battery draining quickly, including minor firmware issues, app usage, or hardware issues such as a weak battery.

Tips to Fix Your Phone’s Poor Battery Life

Adjust Screen Brightness

High screen brightness is a major culprit in battery drain. If you frequently stream videos or browse the internet, your screen will consume much battery power. You should check your phone’s screen brightness settings and lower them if necessary.

Your phone can automatically adjust its brightness with the “Adaptive Brightness” feature. To enable it, go to Settings > Display > Brightness and turn on “Adaptive Brightness/Auto Brightness.”

Turn off WiFi, Bluetooth, and GPS

Operating your mobile device’s WiFi, Bluetooth, and GPS depletes the battery quickly. This is because these particular functionalities consume a lot of energy. Furthermore, numerous applications in your phone utilize these features for synchronizing and interacting with external devices.

Enabling these functions on your device increases the chances of reducing the battery life cycle. Therefore, it is essential to turn these features OFF when not in use and enable them ON only when necessary.

Buggy Firmware and Battery Life

After updating the BLU Grand M2 firmware, the phone’s battery life may be affected due to bugs in the new software. Sometimes, manufacturers release Android updates without fixing all the bugs.

To fix these bugs, a firmware upgrade or downgrade might be necessary. To upgrade the firmware, ensure you have the latest version available on your phone and update it if it’s not. If an update is unavailable, try factory resetting the phone.

If the issue persists, a firmware downgrade may be required, but it is not recommended to do it yourself as it can be complicated. Instead, visit an Authorised Service Center for support.

Old Battery and Battery Replacement

If your phone happens to be two or more years old, consider replacing its battery. Research conducted by Battery University has revealed that battery capacity decreases as much as 22% battery percentage in the first year of use.

As your device ages, battery-related issues will likely arise. Consequently, if your BLU Grand M2 is over two years old, it’s probably best to replace the battery.

While it is possible to replace the battery yourself, it’s not necessarily an easy task. As such, I recommend replacing the battery with an authorized service center.

Apps and Battery Drainage

Regarding fast battery drain or battery consumption, the apps on your phone may also be the culprit, similar to the firmware. I recommend that it’s best to stick to downloading and installing apps exclusively from the Google Play Store.

Removing apps such as phone Cleaner App, RAM Booster App, Battery Booster App, Antivirus App, Mod Apps, and other ordinary apps is suggested. These apps don’t simply decrease your phone’s speed; they might even make it freeze or shut down!

Gaming and Screen Mirroring Tips

The processor consumes a considerable amount of resources while gaming. Despite being idle most of the time, it operates entirely during gameplay.

When using screen mirroring, monitoring your device’s battery usage is crucial. Avoid continuous screen mirroring to prevent draining your battery needlessly. Instead, opt for the “Handheld” mode, mirroring only the part of the screen you need.

If problems persist, such as sudden battery depletion, it could be attributed to hardware issues. Therefore, it is crucial to seek the assistance of an authorized service center for proper diagnosis.

Challenges with Cellular Network and Mobile Data on BLU Grand M2

The cellular network is an integral aspect of any smartphone. When it doesn’t function correctly, it can pose a significant challenge for the users. A lot of BLU Grand M2 users experience problems with their cellular network.

If you use a weak cellular network service, your BLU Grand M2 might not maintain a steady connection or transmit data. This issue can lead to challenges with mobile data and call reception.

Solutions to Cellular Network & Mobile Data on BLU Grand M2

Fortunately, some simple fixes can remedy the situation, and listed below are some practical solutions to help.

Use Flight mode

This simple yet effective solution can fix your network issue.

Flight mode, or airplane mode, is a feature in mobile devices that disables all wireless connections, including Cellular and Wi-Fi networks and Bluetooth.

By enabling Flight mode and then turning it off after a few minutes, you can often resolve phone network-related issues and restore normal functionality to your device.

To do this, Go to Notification Panel > Turn ON Airoplane mode for a few seconds, and Turn OFF.

Restart your device

If you’re still facing network issues even after trying Flight mode, a simple solution to consider is restarting your smartphone.

Restarting can help restore proper network connectivity and resolve any temporary glitches or conflicts that may be causing the problem.

If this also fails, then move to the next one.

Check daily bandwidth usage

I want to make a point for our Indian readers that exclusively applies to them. Indians receive a daily amount of maximum data transfer capability. Once you use this amount, your internet speed will reduce to 64 Kbps.

To avoid inconvenience, kindly ensure that your mobile data plan is active and that you have stayed within the daily bandwidth limit.

Reinstall SIM

If you are experiencing minor connection issues with your mobile device, such as no network connection or problems with calls and texts, a straightforward solution is to remove and reinsert the SIM card. This action helps ensure proper contact and alignment, often resolving common connectivity problems.

Enable Data Roaming

To enable Data Roaming, open the Settings app on your device. Find the “Cellular” or “Mobile Data” section and look for the option to enable Data Roaming. Enabling this feature allows your device to connect to cellular networks while travelling abroad, ensuring you have access to mobile data services.

Mode of Network

The “Preferred network type” feature determines your device’s network mode. Mobile phones commonly offer multiple mobile networks, including 2G, 3G, 4G, and 5G.

When you opt to use the 5G mode on your Android phone, and this network mode is unavailable in your current location, your phone will be unable to receive any proper signal. As a result, it is advisable to select the “Automatic” option.

Reset Network Settings

The name defines its task. Follow the simple steps mentioned below to reset the network settings.

1. Open the Settings app on your BLU Grand M2.

2. Scroll down and click on “System.”

3. Tap on “Reset options.”

4. Tap on “Reset WiFi, mobile, and Bluetooth.”

5. Tap on “Reset settings.”

If you can’t find “Reset options,” use the search button on the Settings app to look for it.

By employing these suggested solutions, you can troubleshoot cellular network connectivity issues and mobile data issues and get your BLU Grand M2 back to a stable and reliable network connection.

None of the above measures worked?

Attempt installing the SIM card on a different phone. If the alternate device receives a signal, there is a problem with your phone’s SIM card slot.

If there isn’t any signal, the SIM card is damaged, or there is a cellular network problem in your region. Contact the Carrier to obtain a new SIM.

BLU Grand M2 Slow Charging: Possible Causes and Fixes

If your BLU Grand M2 takes longer than usual to charge, there could be several reasons. Here are some factors that could be causing your slow charging issue and some tips on fixing them.

Fix Slow Charging on BLU Grand M2

Wrong Charger

One common reason for slow charging is using an incompatible charger. Check to make sure that the charger you are using is compatible with your phone.

Sometimes, a fast charger from a different brand may not work with your phone, leading to slow charging.

For instance, the Oneplus Nord(2020) can charge at 30W with the charger in the box, but using a 30W charger from MI will not charge Oneplus Nord at 30W.

Improper Connection

If you’re using a compatible charger and your phone isn’t charging at high speed, it could be due to an improper connection.

Ensure that the charger is plugged into a socket correctly and that the USB cable connecting the charger and phone is firmly connected and not loose.

Sometimes, slow charging occurs when the phone does not detect all four contacts of the USB cable.

Dust Accumulation

It is common for dust particles to accumulate inside the phone’s socket over time, and this can prevent fast charging.

To ensure all four contacts of the USB cable connect, use a non-conductive material such as a toothpick to clean out any dust in the phone’s socket.

Defective USB Cable

The cable is one of the most stressed components as it undergoes a lot of twisting, bending, and pulling, especially for earphones, headphones, and USB cables.

If you encounter slow charging issues with your BLU Grand M2, the problem could be a faulty USB cable because the wires within the USB cable tend to break, and the damage is not noticeable because of the cable’s outer covering.

To identify the problem, use another cable or borrow one from your friend. If the charging speed improves, you have found the culprit, and it’s time to purchase a new USB cable compatible with the charger.

However, please note that fast charging may only work with brand-issued cables.

For instance, if you use a 30W Oneplus charger and a Type C cable to charge Oneplus Nord, it will charge at normal speeds and won’t utilize the WRAP charging feature.

Defective Charger

In most cases, the charger either works or does not, and slow charging is unlikely to occur due to a weakened charger.

However, electronics can sometimes malfunction, so trying a different charger to fix the issue is worth trying.

Overheating

Overheating is another leading cause of slow charging. Although it’s normal for devices to heat a little during charging, if your phone gets too hot, the device’s software will reduce the charging speed to prevent it from overheating and catching fire.

Firmware issues causing slow charging

Slow charging on your phone could be an indication of buggy firmware. As the firmware manages various phone functions, it could result in problems such as slow charging.

To resolve firmware bugs, updating the firmware is essential. Navigate to the phone settings and initiate the update to fix any firmware issues.

In conclusion, slow charging issues on your BLU Grand M2 can occur for several reasons, such as using an incompatible charger, improper connection, and dust accumulation. Try the above tips to fix your slow charging issue.

Resolving App-Related Problems on BLU Grand M2

Every smartphone offers a range of features and capabilities to enhance the user experience. So, like any other device, it is not uncommon to encounter app-related problems on the BLU Grand M2.

These issues can vary from app crashes, freezing, slow performance, or compatibility problems. Fortunately, you can take several troubleshooting steps to resolve app-related issues on your BLU Grand M2.

In this guide, we will explore common solutions to help you overcome these challenges and get your apps working smoothly again.

Fix Apps Open Slowly on BLU Grand M2

Storage Issue

A common issue with the BLU Grand M2 is slow app opening. This may be due to insufficient storage space in the internal memory, which is a prevalent cause.

It is advisable to leave 40% of the internal storage free. You can tackle this problem by:

– Uninstalling unused applications

– Deleting old media from WhatsApp

– Downloading and utilizing lite versions of applications from the Play Store

If none of the above work, a factory reset is the last resort to free up storage space.

Memory Insufficiency

Slow app openings on your phone may be due to insufficient free RAM for the operating system.

Uninstalling unnecessary apps and using the lite version available on the Play Store can help.

Fixing Play Store Download Issues on BLU Grand M2

This problem is familiar with BLU Grand M2 and other Android smartphones. The following methods can resolve the issue.

Airplane Mode

Switch on airplane mode, then switch it off. As your phone reconnects to the network, it should resolve the issue.

Restarting

Restart your phone and try downloading the apps again. This is a tried and tested solution that works nearly every time.

Clear Play Store Cache

If rebooting doesn’t fix the problem, clearing the Play Store cache should do the trick.

Fix BLU Grand M2 App or Game Crashes: Troubleshooting Tips

Is your BLU Grand M2 experiencing sudden app or game crashes? Don’t panic. Here are some tips to help you fix the problem without breaking a sweat.

Update the app

If the app is available on the Google Play Store, you should update it from there.

However, if you have downloaded the app from the internet, which I advise against, I assume you know the risks involved.

In that case, I recommend using varied versions of the app. Attempt to test the latest three available versions.

Clear Cache & App Data

Access your device’s Settings > Apps, find the app causing issues, remove its cache, and clear its app data.

Reinstalling App

If the tricks mentioned above fail to resolve the sudden app crashing on your BLU Grand M2, then try reinstalling the app. The cause of the issue could be the incompatibility of the app with your device.

Fix Auto Brightness Issue on BLU Grand M2

Is your BLU Grand M2 Ultra screen brightness going haywire? Try these steps before losing your cool.

Disable Auto Brightness

Go to Settings > Display, and turn off the Auto Brightness toggle. This will stop the phone from automatically adjusting the brightness.

Reset App Preferences

This resets all preferences for apps that may be interfering with the auto-brightness feature. Go to Settings > Apps > Reset App Preferences.

Check for Software Updates

Install any pending software updates for your BLU Grand M2, as they often contain bug fixes for issues like this.

How to Get Rid of Audio Problems on BLU Grand M2

Facing audio issues on your BLU Grand M2? Don’t stress. Attempt these basic troubleshooting steps.

Check Volume Settings

Use the volume keys to ensure the media volume is turned up. Also, inspect volume levels in Settings > Sound.

Toggle Do Not Disturb

The do not disturb mode could be muting audio. Turn it off in Settings > Sound > Do Not Disturb.

Clear Cache Partition

Wipe the cache partition, as corrupted data could cause audio glitches. Power off and reboot into recovery mode to wipe the cache.

Fixing the Bluetooth Audio Issues on BLU Grand M2

Can’t get Bluetooth audio devices to work properly with your BLU Grand M2? Try these tips.

Forget and Re-pair Device

Go to Settings > Bluetooth, forget the problematic device, and pair it again from scratch. This often resolves connectivity issues.

Check Codecs

Make sure your phone and Bluetooth device support compatible codecs for optimal connectivity. You can inspect supported codecs in developer settings.

Toggle Bluetooth On/Off

Turn Bluetooth off, restart your phone, turn Bluetooth back on, and reconnect your device. This refreshes the connections.

Final Words

I have listed common issues encountered with the BLU Grand M2 and their corresponding resolutions in this manual.

If you have other problems not covered in this guide or the suggested solutions don’t work, kindly leave them in the comment section below.

Our team of experts will diligently rectify any additional issue you are experiencing.