I need to fix a friend's phone this evening that has suddenly produced loads of android.process.media and com.google.process.gapps errors. I am going to reinstall the OS as it's an older ROM but it got me wondering: there is memtest
for x86 based devices that will test the RAM of a PC, is there a similar app that can be loaded in place of an OS on Android that will do the same thing?
2 Answers
This tests RAM, storage and well many other device features: Phone Check (and Test)
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Apps can't test hardware resources without root access. All they can do is either rely on system provided APIs to get AMAP information about hardware, or perform a stress test within the limitations enforced by OS. So they can't estimate performance correctly. Commented Nov 2, 2019 at 21:30
Like to point out that Apps most definitely can test hardware without root access. Bad memory can be traced via stress tests even within OS limitations, although not pinpointed but to know if its bad or not its quite useful.
memtest86
for ARM architecture. Related: How to disable bad RAM addresses and fix bad storage blocks?.