Asus T500 Service Manual page 30

ASUS T500
Solution:
1 Re-insert or replace the SIM cards and test again
2 Visually inspect if the SIM card socket has soldering deviation, high floating or is damaged
3 Measure the SIM supply voltage
4 Add soldering or re-solder PMIC
5 Add soldering or re-solder CPU
CPU U501 PMIC
MB Service Manual
SIM socket
SIM socket
30