T-Mobile Xperia Z3 has a locked bootloader, root is still unachievable for now

The T-Mobile variant of the Sony Xperia Z3 with model number D6616 is now available to buy online and in retail stores after passing the pre-order stage, it’s priced at $630 for full retail price or $0 up front ($26.25 x 24 months). This is the second smartphone released by Sony Mobile to T-Mobile, the previous phone, Xperia Z1s has been released earlier this year. When compared with its predecessor, the Xperia Z3 comes with much better hardware, for instance 2.5 GHz Quad-core CPU, 3GB of RAM, 5.2-inches IPS display and a massive 3100 mAh battery.


Unfortunately, nerd users will be a little disappointed at this time, especially for those who wish to root their T-Mobile Xperia Z3 (D6616). The phone’s bootloader is locked down and there’s no official way to unlock it, since Sony doesn’t support carrier branded devices to be unlocked.

In addition, it’s also SIM locked, so by default, you can’t make use of a GSM Sim card from other carriers, however, you can still request an unlock when you are eligible.

tmo xperia z3 root

Image: Sony Mobile / T-Mobile

Actually, to obtain superuser access, we don’t always need an unlocked bootloader, but this is a rare case and it’s usually taken quite a long time until someone finds a vulnerability inside the phone’s firmware. This situation took place on the Xperia Z1s, which successfully rooted, although the bootloader is locked, they employ a utility called “pwn” developed by recognized developers from xda forums – Jcase and beaups, but the pwn utility found about 5 months after Z1s officially released.

Being unrooted is a consequence when you get a carrier locked device, you must be willing to remain stock and locked for some time or maybe forever. When its users grown up, and demand of root in T-Mobile Xperia Z3 increases, you might see a root bounty thread over xda forums which might be able to bring in talented devs like Jcase to help Z3 users.



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