Fix No Signal Android Xiaomi Redmi 4A/Xiaomi Redmi 5A

How to Fix No Signal android Xiaomi Redmi 4A/Xiaomi Redmi 5A - Smartphone phones Xiaomi Redmi 4a and also Xiaomi Redmi 5a almost have the same specs and also some internal components are also the same.

And its common damage that often occurs between Xiaomi Redmi 4A and also Redmi 5A no signal or no network. And it really happens very often, and become one of the characteristics of the damage of the Xiaomi phones.

As a step of his improvement, you do not have to immediately assume any damage to the internal components of the phone Xiaomi Redmi 4A/Redmi 5A. There could be damage to the software that crashes in the phone or damage its other supporting parts in the phone Xiaomi.

And some supporting components to generate a signal are interconnected with each other. And if there is damage in the supporting component will result in no signal/No network damage on Xiaomi Redmi 4A/Xiaomi 5A.

For the no signal/no network repair step on Xiaomi Redmi 4A and Redmi 5A phones can be done in several ways:


1. CHECK THE NETWORK SETTINGS ON THE PHONE

Try doing a network search manually, you can set it through the phone's settings menu. Whether or not after a manual network search, the phone can get a signal and the provider name of the mobile operator.

2. TURN ON AIRPLANE MODE

The next step can apply the airplane mode in a few seconds on a Xiaomi Redmi 4A/Redmi 5A phone. After that turn-off airplane mode and observe if your phone can get a signal normally.

3. RE-INSTALL THE SOFTWARE

This way is very powerful for any constraints or damage no signal occurring on the smartphone Xiaomi 4a/Xiaomi 5a. Data rewriting on mobile systems such as an NHlos or QCN Modem File can restore the Xiaomi 4A/Redmi 5A phone condition to be normal again and the signal can be re-emerged.

4. CHECK INTERNAL COMPONENTS

Some of the internal components that you can do inspection include:
  • Cable antenna may occur in a disconnect or corrosion on the antenna cable.
  • Antenna connectors, damage to the antenna connectors may cause loss of signal or network. Resolder the antenna connectors to return to normal.
  • Other internal components such as resistors, diodes, capacitors, and others. 
Damage to any of these components could lead to no signal problems on Redmi 4A/Redmi 5A smartphones.

5. CHANGE RF OR IC WTR IC

Fix No Signal android Xiaomi Redmi 4A/Xiaomi Redmi 5A
But to be usually when the network display notification on the LCD screen there is a cross sign, No signal, or just an emergency call. It can be ensured that the component is experiencing damage between IC RF or IC WRT. 

This WTR IC becomes a network controller after the CPU. You can change the IC RF or WTR gently without interrupting the other supporting components around the IC.

But if you do not have enough skills to do the WTR 2965 IC change. It is recommended to bring a Xiaomi Redmi 4A/Redmi 5A phone that is experiencing no signal damage to the service area around your stay.

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