zll

zll

IPhone12 has no baseband and no signal repair

IMG_257
iPhone12mobile phoneThere was no signal after the heavy fall, and the mobile phone was tested as baseband-free. Since the fault point has been found, the maintenance method is also very simple. Directly clean the residual solder on the middle and upper boards, replant the tin on the middle layer and attach it.

Redmi 10X is not turned on

IMG_256

Redmi 10X is not turned on. “Machine model” Redmi 10X [Fault phenomenon] No boot [Maintenance process] I received a Redmi 10X machine that my colleague sent for repair. My colleague said that it might be a virtual soldering of CPU.…