After the generic unlock, the device still looks for Jio's APN (Access Point Name). To make it "better," we flash a generic firmware that auto-detects any SIM.
Result: Your JioFi M2S now thinks it is a generic ZTE router. It will accept any SIM globally.
Once unlocked, the device might not automatically connect to the internet. You need to configure the Access Point Name (APN): unlock jiofi m2s better
Solution: The device is defaulting to a weaker band.
The JioFi M2S is a beast of a portable 4G router. It is compact, has a long battery life, and supports 4G LTE Category 4 speeds (up to 150 Mbps download). However, there is one massive Achilles' heel: It is locked to Reliance Jio. After the generic unlock, the device still looks
If you are traveling internationally, living near a border where Jio signal is weak, or simply want to use a cheaper local SIM card (like Airtel or Vi), the locked bootloader forces you into suboptimal performance.
But unlocking is not binary. There is a difference between a "standard unlock" and a "better unlock." The standard unlock just removes the SIM restriction. The better unlock (what we are doing today) unleashes hidden bands, enables Carrier Aggregation (CA), and stabilizes the firmware. Result: Your JioFi M2S now thinks it is
Here is the definitive guide to unlocking your JioFi M2S better than the average user.
Do not use free "unlock calculators" from random forums. Most contain malware. Pay the small fee for professional software. It is worth the $4 to avoid bricking a $30 device.