If I Replace My Phone Motherboard, Will I Lose My Data? … The data on your phone is stored on the storage (eMMC or UFS), which is also a chip soldered on the motherboard. In most cases, repairing your phone motherboard shouldn’t erase your data.
Do I have to reinstall everything if I change motherboard?
Yes. Any time you make a major change to hardware, you need to reinstall. The OS has drivers for specific hardware such as motherboard drivers. The only way you can get around not having to reinstall.
Is it safe to replace motherboard?
It’s only more involved because everything has to be disconnected (vs. something like a GPU or a hard drive), but it’s no more “dangerous” than any other part swap. Also, with a motherboard swap, you might have to reinstall Windows since Windows might not like that you’ve changed the mobo.