Home / Huawei / Huawei CUN U29 Secure Boot DA File [Format Single Partition]

Huawei CUN U29 Secure Boot DA File [Format Single Partition]

Format A Single Partition In Huawei CUN U29 using Huawei CUN U29 Secure Boot DA File. This is a step by step guide showing how to format a single partition of a Huawei CUN U29 using SP flash tool.

Huawei CUN U29 Secure Boot DA File

 

Why would I want to format a single partition on my Huawei CUN U29?

There are different causes why one might want to format a single partition on a Huawei CUN U29. One such example is when your device is FRP locked, all you need do is to format only FRP partition OR maybe you need to perform a factory reset but you are unable to boot into recovery mode for some weird unknown reasons, all you need is to format user data and cache partitions. The method below will show how we can do this.

Requirements to format one single partition on my Huawei CUN U29:

  • Supported Phone: Huawei CUN U29
  • Charge your mobile: You may no less than a half charge.
  • Laptop or PC: To execute this installation, you must use a PC or Laptop.

Take Huawei CUN U29 Backup:

Download Huawei CUN U29 Flashing Tool And Drivers:

Huawei CUN U29 Secure Boot DA File Detail:

  • File Name: DA_SWSEC.Huawei_MYA-L03 .7z
  • Device Supported: Huawei CUN U29
  • Tool Supported: Sp Flash Tool

Download

Huawei-CUN-U29 .7z

How to Format a Single Partition of Huawei CUN U29:

1. The steps below explain how to format a single partition of a Huawei CUN U29 using SP flash tool.

2. Extract the content of the SP flash tool zip file and Launch SP flash tool.

Launch Sp Flash Tool to Format a Single Partition of Huawei CUN U29

3. Select the scatter file for your device by clicking choose besides the scatter-loading file’s dropdown bar.

Select scatter to Format a Single Partition of Huawei CUN U29

4. In the windows that appear next, navigate to and select the Huawei CUN U29 scatter file.

select the Huawei CUN U29 scatter file

5. You should now be taken back to the SP flash tool window, Click on the Format tab.

Huawei CUN U29 Secure Boot DA File [Format Single Partition]

6. Tick the checkbox beside “Manual format flash”

Huawei CUN U29 Manual format flash

7. Open windows explorer and navigate to the location of the scatter file you selected earlier on then open it using Notepad++

8. Scroll down the contents of the scatter file till you get to the partition you wish to format [in my case, I’m trying to format FRP partition]

Huawei CUN U29 format FRP partition

9. Input the values of Linear_start addr and partition_size into SP flash tool then Click on Start

Code:
Linear_start addr = Begin Address
partition_size    = Format Length
Huawei CUN U29 addr and partition_size
10. Power off the phone (with the battery in) then connect to the PC via a USB cord. Once successful, you should get a green tick.

11. Now you can boot up the Huawei CUN U29.

Disclaimer:

  • Once SP flash tool has detected your device, avoid disconnecting till the task is complete as this might cause the Huawei CUN U29 to go dead.
  • If you accidentally selected “Autoformat – Format all”, your device will go dead and you’ll need to flash full Huawei CUN U29 stock ROM to revive the phone.
  • Avoid using a random Huawei CUN U29 scatter file (even though its for your chipset) in Sp flash tool. Just because a scatter file is for your chipset doesn’t mean it contains the same partition info. Formatting with a wrong scatter file could result in more problems than you initially intended to fix.
  • SP flash tool was created by MediaTek Inc. so credits to them for the tool.

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