Hi, guys. My sim suddenly lost network. Please help me..Thank you!

[AC Question]

Phone type: Lenovo Vibe S1
Problem: no network sim
Note: sim can still be unlocked with pincode

Tried solutions:
1. Remove sim and reboot
2. Go to mobile networks settings and choose 3G only setting
3. Go to mobile network settings and choose the network service provider
4. Put sim into another phone and did all of the above

 

[CozyPlanes]

319712358
Dial this number and Check the settings. When it needs an password contact lenovo. Differs from carrier.
No network? Sim may be damaged when the sim does not work in another phone too. Contacting lenovo service centre will be the best choice.

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