Sunday, June 26, 2016

An update with Baseband version I337UCUFNI1 of Galaxy S4 (i337) won't allow to root.

After updating the phone to newer software (as of September 2015 pushed from AT&T ) , it says that the firmware has connectivity improvements and security enhancements, thus I think what causes failures in rooting my device.

I have carefully attempted several methods like MotoChopper root exploit by @djrbliss, Casual by Adam Outler , the TowelRoot apk, Kingo Software... and nothing had worked. Haven't tried rooting with ODIN only because there are no instructions.

My initial plan was to enable T-Mobile HSPA+AWS bands using QPST Tool which reconfigures the Qcomm modem,but for that to work - the bootloader must be unlocked. AT&T has locked bootloader, and to unlock it I have to root my Galaxy S4 so to install CMW / TWRP, thus unlocking the bootloader :eek: I can't work it around, any suggestions? Thanks.


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