, but security updates for these legacy systems ended years ago. If your device is stuck on 4.4.2, it is often more cost-effective to replace the hardware than to attempt a manual upgrade. specific Custom ROM guide for your exact phone or tablet model? MX Player - Apps on Google Play
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You must find a ROM built specifically for your exact model number . Installing a ROM for the wrong model will "brick" (break) the phone. , but security updates for these legacy systems
You are a hobbyist, you have a spare phone, or you want to learn how Android works. MX Player - Apps on Google Play :
Once you have downloaded the Android 7.0 ROM file (.zip) and the matching Google Apps (GApps) package to your SD card, follow these steps: