Unlock Jiofi M2s -

Carrier-locking restricts your hardware utility. Unlocking the device provides several distinct advantages:

Once the process is complete and the device reboots, it should (in theory) recognize SIM cards from other providers. You will then need to manually enter the settings for the new carrier (e.g., "airtelgprs.com" for Airtel) in the Network settings tab. Alternative: Use the "Jio4GVoice" Workaround Unlock Jiofi M2s

: With the device turned on, open the back cover. Look for a small hole labeled Perform the Reset Carrier-locking restricts your hardware utility

I will cite sources from the search results, primarily the XDA thread and the DC Unlocker guide. I will also mention the lack of a guaranteed unlock method. Unlock Jiofi M2s