Last updated: March 2025 – Method verified on firmware version JMR1140_10.11.9.14.
Backup your device’s original NVRAM using QPST before attempting any unlock. Without a backup, you cannot restore the original Jio lock if needed. Unlock Jiofi M2s
Requires Qualcomm EDL (Emergency Download Mode) and custom tools like QFIL. Incorrect file selection will brick the device permanently. 3. Post-Unlock Limitations & Fixes After unlocking, you may face these issues: Last updated: March 2025 – Method verified on
This information is for educational purposes only. Unlocking a device may void its warranty, violate your terms of service with Reliance Jio, and may be illegal in some jurisdictions. Proceed at your own risk. Subject: Unlock JioFi M2S (JMR1140) 1. Understanding the Lock The JioFi M2S is a 4G LTE Cat4 hotspot device locked by firmware to accept only Reliance Jio SIM cards (India). Inserting an Airtel, Vi, or international SIM will result in an error message: "Invalid SIM" or "SIM not allowed." The lock is enforced by a software flag within the device’s NVRAM (Non-Volatile Random Access Memory) or modem firmware, not by a traditional 16-digit network unlock code (NCK) that you can purchase. 2. Methods of Unlocking There is no official public unlock code for the M2S. The only working methods are: Method A: AT Command Unlock (Most Common & Free) This uses direct modem commands sent via a serial interface. Requires Qualcomm EDL (Emergency Download Mode) and custom