How to Change Xiaomi Redmi Note 4x Battery

How to Change Xiaomi Redmi Note 4x Battery

The phone does not charge. the second failure in place after a broken display. In most cases, the breakdown is mechanical in nature. under constant loads, the charging connector simply breaks. To our luck, in a wide range of models from Xiaomi, the charging port is located on a separate board, which is easy to change.

In addition, we will change the battery: after 2 years of operation, the capacity is no longer the same as before.

The battery itself can be found at

How to change the battery on Xiaomi Redmi Note 4 / 4X

The SIM card slot must be removed first. If there is no special tool, any needle or paper clip will do.

We unscrew the 2 screws at the bottom of the device (pentalobe) and with a flat spatula for parsing, disconnect the back cover from the case.

Gently lift the lid and see that from the fingerprint scanner there is a cable to the phone board itself. We disconnect the loopback connector and remove the cover.

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We apply the first rule of analysis: turn off the battery. If you change only the battery, it makes sense to test it at this stage.

We connect a new battery, test, make sure that there are no unexpected reboots and shutdowns, check the charging is working and the charge is displayed correctly.

The bottom connector is hidden under the plastic casing-pad of the external speaker. We unscrew all the screws.

We remove the speaker and find the bottom board we need. Here it will be necessary to disconnect 2 loops and an antenna cable. Then, prying with tweezers from below, remove the faulty board and check a new one for replacement.

We check the charging mechanism, the operation of the microphone and sensor.

It’s time to peel off the battery. On this model, as a rule, there are special shortcuts for convenient removal of the battery, however, they are not. The phone was already under repair, which means we’ll use a plastic tool and carefully remove the battery.

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Guesses were confirmed: two black strips of double-sided tape. We get rid of it with a spatula and an alcohol wipe, remove as much as possible all traces of adhesive tape and degrease the surface.

Glue a new battery on an acrylic double-sided tape, two strips in place of the old one are enough.

Everything is ready, the device is charging properly, and a new battery will extend the life of the phone. As you can see, changing the battery to Xiaomi Redmi Note 4 is not at all difficult and almost everyone can do it.