This firmware is for the Alcatel OneTouch Pop 4 Slate (5051D). After downloading the firmware from the below link, unpack the archive and flash it with the tool/instructions at the end of this post.
Alternatively, you can flash with SUGAR QCT_SP by extracting the flash files to …\SUGAR QCT_SP\bin\ directory in your SUGAR QCT_SP installation path.
File Name: 5051D-2DALRU1.7z
Size: 922 MB
Firmware Link – Download
SUGAR QCT_SP – Download
If you have problems flashing this firmware or prefer to flash the deodexed firmware (which already has all the bloatware removed), visit this link.
After unpacking the firmware as explained above, launch SUGAR QCT_SP and install the drivers.
Copy the firmware files to …\SUGAR QCT_SP\bin\
Connect the device and follow on screen instructions to flash.