Category Smartphone & Pad Repair Guide

IPhone11 can’t brush more than 80% (the middle layer is soldered, and the baseband is not recognized) [Fault model] iPhone11 [Failure phenomenon] The brush machine fails to brush 80%. [Maintenance process] I received a machine sent for repair by my…

IPhone 12 Pro Max was released by Apple in 20 years.mobile phoneAt that time, this expensive price didn't dampen the enthusiasm of fruit fans (fans of Apple's electronic products). Many people started it one after another and couldn't put it down after they got it, but we never know which will come first, the accident or tomorrow. Maybe in the next second, your beloved iPhone 12 Pro Max will leave your palm, fly far away and finally fall to the ground! Pick it up and find that the phone has no baseband? Let's talk about the Apple 12 baseband maintenance method today!

A Huawei Mate 20 Pro with poor card signal and sometimes disconnected network.mobile phone When disassembling the machine, it was found that the coaxial line between the main board and the tail plug-in small board was loose. After plugging the coaxial line again, the test signal returned to normal after starting the card.

Apple iPhone12, the fault is not turned on,mobile phoneIf you fall, you won't turn it on, and there is no response when you plug in the data cable; Because it is a fallen machine, we have to consider whether there are other problems caused by virtual welding in the middle layer, so we directly layer it. See below for specific steps:

Redmi K40 restarts automatically (the bottom of the font is damaged). What is the problem with a Redmi K40 that can’t automatically restart into the system, which makes this Redmi K40 like this? Want to know the details, let’s have…

Apple XR, the fault phenomenon is that the plug-in data cable is not charged, and there is no current in the plug-in. We directly smoke rosin on these two paths, and then apply a voltage of 5V to PP_VBUS1_E75 to burn the machine. The specific maintenance process is as follows:

A Xiaomi CC9 Pro, with a video brush, suddenly got stuck and crashed. When it was turned on again, the power-on key was lit and stuck in Xiaomi logo, and it could not be turned off.

Customer describes that Apple iPhone 12 automatically enters recovery mode, since it does not boot.mobile phone You can enter the recovery mode, so let's not rush to repair the motherboard first, let's see if we can enter and exit the recovery mode and enter the system, or even brush the computer. The specific maintenance process is as follows:

Xiaomi 11 small current does not start, redo CPU failure is still the same. Xiaomi 11 doesn’t turn on the small current, and the peers have already done CPU, but the fault is still there, so let our maintenance master…