Read: Update Lenovo Vibe S1 to Android 6.0 Marshmallow

Prerequisites for Unlocking SIM:

Battery percentage at least 30%You should be in the coverage area of the new network.Make sure you have enabled Allow installation of apps from unknown sources under security section of settings.

Steps to unlock Lenovo Vibe S1:

 Steps to unlock Lenovo Vibe S1 Lite:

Conclusion: After you unlock your Lenovo vibe the phone will be unlocked permanently. If you’ve any thoughts on How to SIM Unlock Lenovo Vibe S1 and S1 Lite ?, then feel free to drop in below comment box. Also, please subscribe to our DigitBin YouTube channel for videos tutorials. Cheers!