Tecno Spark Go 2024 Network Problem Solution No Service Emergency Only SIM Not Working Signal Ways
In this video we solve Tecno Spark Go 2024 Network & SIM Signal Problem like No Service, Emergency Calls Only, SIM Not Detect, Weak Signal, and 4G/VoLTE Not Working.
We will check SIM Connector, RF Section, Network Ways, Filter, Antenna, and Baseband/PMIC Section.
Follow step-by-step to restore full network.
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🛠️ 30 Step-by-Step Hardware Repair Guide
Power off phone
Open back cover
Disconnect battery
Remove main board
Check SIM card physically
Clean SIM slot contacts
Test SIM connector with multimeter
If SIM slot faulty → replace
Check antenna contact spring
Clean antenna connectors with thinner
Tighten midframe screws
Check network coil near RF section
Check antenna filter for open/short
Replace coil if damaged
Check RF IC temperature by slight heat
If overheated → replace RF IC
Check PA (Power Amplifier) IC
Apply controlled reheat
If no signal → replace PA IC
Check baseband PMIC
Reheat slightly on low air
If baseband unknown → reflash firmware
If still baseband null → CPU reball required
Check antenna track continuity
Jumper broken line
Clean board with IPA
Reassemble phone
Insert SIM and test network
Check 2G / 3G / 4G switching
Final complete testing in call & data
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