CODEWITHSUNDEEP
android
Siddharth
Siddharth

Reputation: 2254

what is the use of persist.img in android?

While the compilation of Android source we can see an image file named persist.img being created. What is it and for what is it used?

Upvotes: 6

Views: 22304

Answers (2)

xdan
xdan

Reputation: 663

persist.img is "persist" which contains data which shouldn't be changed after the device shipped, for example: calibration data of chips(wifi, bt, camera, etc.), certificates and other security related files. For sure even it's "persist" you still can replace it via fastboot, or change things if the devices is rooted, take it for your own risks

Upvotes: 5

corgichu
corgichu

Reputation: 2600

It's part of the Android build along with system.img, userdata.img, tombstones.img, recovery.img, etc.

You would alter it if you wanted to modify the build.

Upvotes: 0

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