Samsung Galaxy A7 A710F Sim Card Ways Insert Sim Card Solution
Samsung SM-A710F Sim IC Solution Jumper Problem Ways
It might be due to dust on SIM Jacket contacts.
It might be due to faulty capacitors. If any of them is faulty then it will affect your overall SIM card function.
Issue might also be due to SIM card IC.
Reasons of Problems
Sim card might be out of order.
Sim contacts are not able to make proper contact with Sim card jacket’s contacts.
Sim card or card holder pins might be dirty, clean both of them and check.
Hardware Solution
Samsung Galaxy A7 A710F 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 SM-A710F 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 SM-A710F Insert Sim IC Solution Jumper Problem Ways Sim Not Working Sim Not Valid
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