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ZTE Blade A51 or A71 Firmware, Flash Tool and Steps to Flash

Earlier on when ZTE Blade A51 or A71 was released, we published a post to show our readers the features, specifications, and price of this most adorable ZTE device called Blade A51 or A71. As well as how you can perform a hard or soft reset when your Blade A51 or A71 becomes unresponsive or should you choose to give to someone else with no data in it.

Usually, a hard or soft reset with the guide provided for ZTE Blade A51 or A71 is supposed to fix any possible software issue you might be experiencing with your ZTE Blade A51 or A71 or other similar android devices that the quick fixing guide for issues like camera, Bluetooth, SIM, Wi-Fi, YouTube or other malfunction could solve. But if you have tried that already and it failed then, you should probably opt-in for formatting, in this case, I will show you how to use Flash Tool to format your Blade A51 or A71.

Just before you follow the tips below to upgrade or downgrade your ZTE Blade A51 or A71. Do a backup of your personal data:

Steps on how to flash ZTE Blade A51 or A71 with Flash Tool:

First of all, visit our Firmware page and download a stock ROM for your:

  • ZTE Blade A51 or A71

Note: You will need to place your phone on charge with a working charger till you are sure it has charged above 50 percent before your formatting process commences else your phone might not wake up even after formatting.
Next, you will have to follow the instruction of using a Flash Tool as explained here below.

Step 1: Download and install USB drivers.

Step 2: Or you download and install USB drivers (Preferable) from here.

Step 3: Download Flash tool (latest version is preferable) from here.

Step 4: Download the stock ROM of the device you want to flash.

Step 5: Extract Flash Tool and open the folder, now run the Flash tool as administrator.

Step 6: Now extract the stock ROM you downloaded and go back to Flash tool.

Step 7: Now click on scatter-loading button on the Flash tool and you need to go to the stock ROM the folder you extracted.

Step 8: You will see a scatter file in there, double click on it to select it (it will look like MT6572_Android_scatter). The number may be different.

Step 9: Now untick preloader (this is not required unless the device is completely dead.

Step 10: And also make sure you untick DSP_BL if found on the list that will be shown in the Flash tool.

Step 11: Now you need to click the Download button and power off the ZTE Blade A51 or A71, remove the battery ( if the battery is inbuilt power off the phone and waits for 10 minutes).

Step 12: Now connect the device to the computer with the USB and wait for the Flash tool to detect it.

Step 13: Immediately the ZTE Blade A51 or A71 has been detected a red line will be at the bottom then followed by a yellow line.

Step 14: After the flashing is done or completed you will see a big green tick shown on the screen.

Step 15: Now power on the ZTE Blade A51 or A71 and wait for it to boot, it might take minutes if it does not boot up then remove the battery, if it’s an inbuilt battery, press the power button for 15 seconds and the ZTE Blade A51 or A71 will power off or restart.

Tips to Remember:

This update is meant for ZTE Blade A51 or A71 users only.

THEUPSPOT is in no way responsible for any damage you might have on your ZTE Blade A51 or A71 while installing the update.

The usual upgrade steps require the use of a PC or Laptop to carry out the firmware flashing.

Ensure that you have updated and working USB drivers installed.

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