If your device is no longer supported officially, the only way to reach Android 7.0 is through (like LineageOS). This process requires: Rooting : Gaining administrative access to the device .
Have you tried upgrading a vintage Android phone? Let us know in the comments below! android 442 update to 70 verified
: Allows you to run many modern apps that no longer support Android 4.4.2. If your device is no longer supported officially,
From KitKat to Nougat: How I "Updated" Android 4.4.2 to 7.0 (And Verified It Works) android 442 update to 70 verified
This method requires "Project Treble," which only exists on devices that launched with Android 8.0 or later. Hardware & Software Constraints
Logs and errors
Performance and battery