Warning: Flashing firmware can permanently brick the device if done incorrectly. Proceed only if you accept the risk and have a backup of important data.
I was on the verge of giving up on my Kechaoda K33 after it got bricked during a software update. But thanks to the Kechaoda K33 Flash File, I was able to revive my device and get it working again. kechaoda k33 flash file
After a successful flash, you may need to re-write the original IMEI if it becomes null; always use the original IMEI found on the sticker under the battery. User Sentiment Warning: Flashing firmware can permanently brick the device