Samsung SM-J120H Insert Sim IC Solution Jumper Problem Ways
This solution may possibly help fix and repair a damaged Samsung Galaxy J1 J120H that result to Insert Sim card problem issues. If the mobile handset device does not accept any kind of sim card and only shows insert sim card in the LCD screen display, you may refer to this solution below to trace and check certain components that might get damaged and result to insert sim card problem.
First thing you need to do is make sure that just dust or rust is not causing this issue clean the Samsung J120H SIM card connector and check if all the legs are in good shape, if there is any kind of damage to the SIM Card connector replace it with a new one.
Samsung Galaxy J1 J120H Insert Sim Card problem, Flex Jumper Ways Solution
The solution above may help if having trouble finding the replacement for the flex ribbon cable, you may only need to apply a jumper wire on an opens line paths after tracing it.
Here’s the hints in troubleshooting the Samsung Galaxy J1 J120H Insert Sim Card Problem:
1. Check the flex ribbon cable assembly. Replace if severely damaged.
2. Clean the SIM slot and the flex pin connector.
3. Check the VSIM voltage across the 0 ohms resistor. Check/replace the resistor if damaged.
Samsung Galaxy J1 J120H Insert Sim IC Solution Jumper Problem Ways Sim Not Working Sim Not Valid
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