X XDownload the official stock firmware for the Alcatel 4055U (U3 variant) . This flash file is powered by the MediaTek MT6737M chipset and runs on Android 6.0 Marshmallow . It has been fully tested and verified to work on the Alcatel 4055U device.
Here’s a clean, professional product description text you can use for a firmware download site, blog, or forum post: Alcatel 4055U Flash File (U3) | MT6737M | Android 6.0 | Stock Firmware – Tested Alcatel 4055U Flash File U3 MT6737m 6.0 - Firmware - Tested