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The release of the Android M is approaching, but not all mobile devices will be allowed to upgrade to the new operating system. The users who will be stuck with Lollipop for a while will encounter many problems, but thankfully, there are solutions for most of the issues.

Applications restarting in the background

There is a bug causing applications to restart in the background, and you don’t even realize that until the device becomes sluggish and the battery drains faster. The first thing you should do when you experience this issue is to restart your device.


Missing system.img error

Many nexus 5 users who tried to install Android 5.0 experienced problems when flashing the factory image. They got the missing system.img error, but this isn’t a serious problem, as it can be fixed by flashing the img files manually.

WiFi connectivity problems

When you experience random disconnections, you should toggle airplane mode on and off, disconnect from the network and connect back, reboot the device, restart the router and even switch between the WiFi frequency bands.


First of all, Qualcomm’s chipsets heat up pretty badly when the users play games or run multiple applications. There are some applications that put pressure on the battery, so you should identify the ones that are misbehaving, by trying Safe Mode.

Battery bugs

Many users complained that their batteries, even if they have a big capacity, drain faster after upgrading to Lollipop. This happens because the update is applied over the top of the previous firmware, instead of installing it clean. That’s why you should perform a full backup and do a factory reset, by going to Settings>Backup & Reset.

Video playback bugs

This issue was reported by some Nexus 7 2013 owners, who had problems with YouTube. The solution is to go to Settings> Apps and clear cache for YouTube, then reboot the phone for a temporary fix. Or, you should uninstall and reinstall the application.

Fast charging is charging slowly

Many Android phones come with Qualcomm’s QuickCharge 2.0 technology, and they should charge pretty fast. If you experience problems with quick charging, it means that there are incompatibilities with third party quick chargers, so you should try to find and install another charger that will get along well with QuickCharge 2.0.

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Flashlight and camera bugs

If you need to find your keys in your room or car, in the dark, you will turn on the flashlight (or the camera’s flash). But if you don’t turn it off immediately, the flash gets blocked and you will need to reboot your phone.

Android 5.0 OTA is broken on rooted devices

Many users modify their devices or firmware and encounter problems when installing the OTA update. The solution is to flash a stock image again and this will make the OTA work.