Скачать или смотреть Xiaomi Redmi 8A Pro Network Problem Solution

In this video, you will learn how to fix network issues in Xiaomi Redmi 8A Pro. If your phone shows no signal, no network, or SIM card problems, this detailed hardware guide covers SIM card slot inspection, network line tracing, RF IC testing, antenna checks, and component-level repairs. Follow all 30 steps to restore full network connectivity on your Redmi 8A Pro.

🔧 Step-by-Step Instructions:
Power off the device and remove the SIM tray.

Heat the back cover and open it carefully.

Disconnect the battery connector.

Remove screws and motherboard shield.

Inspect SIM card slot for damage or dirt.

Clean SIM slot contacts using IPA.

Test SIM card in another phone for validity.

Insert known working SIM into Redmi 8A Pro.

Check for IMEI number using *#06# code.

Open test menu ##4636## and check network info.

Use multimeter to test SIM data and clock lines.

Jumper broken or damaged SIM lines if needed.

Inspect antenna connectors and clean them.

Use continuity test on antenna lines.

Replace broken or damaged antenna cables.

Check RF IC for power supply voltage.

Reball or replace RF IC if signal is absent.

Inspect filters, coils, and capacitors in network path.

Replace burnt or damaged components.

Trace network signal lines to CPU baseband.

Reflow loose solder joints on critical network parts.

Flash stock firmware to eliminate software faults.

Reset network settings in phone.

Test network with multiple SIM cards.

Check for proper network bands selection.

Inspect PMIC outputs related to network power.

Repair or replace PMIC if voltage is missing.

Reassemble phone and connect battery.

Power on and test network strength.

Final test: make and receive calls, mobile data usage.

🔍 Hashtags:
#Redmi8AProNetworkFix #XiaomiNetworkProblem #NoSignalFix #RedmiSIMIssue #MobileNetworkRepair #XiaomiRepairGuide #NetworkSignalFix #Redmi8ANetworkSolution #RFICRepair #MobileSignalProblem