[HTC Desire 526] jemali1993:
Only for HTC Desire 526G dual sim ​

Firmware VER: Stock 1.02.401.3​

Warning !!! Before Flash PLS Backup NVRAM​

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Installation and configuration of SP Flash Tool​

1. Unzip archive SP Flash Tool v5.1548.00.000 in C:/

2. Unzip Firmware in Dir of SP Flash Tool v5.1548.00.000 (ex. C:/SP Flash Tool v5.1548.00.000/firmware)

3. Start SP Flash Tool v5.1548.00.000. in "DOWNLOAD-AGENT" Choose

MTK_AllInOne_DA.bin

4. Choose Scatter file from Firmware Folder

5. GOTO Programs settings Connection and choose USB + High speed + auto detect

6. Under Scatter-Loading you must choose "DOWNLOAD ONLY"

7. All done.

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How to Backup/Restore NVRAM ​

Requirements

1. ROOTED Phone

2. Turned ON USB Debugging

3. Installed ADB drivers

4. MTK Droid Tools

Process of Backup

1. Start MTK Droid Tools and connect device to PC

2. Wait before "Phone information" get filled information about phone.

3. If the bottom left is lit yellow rectangle in the right MTK Droid Tools lower-right corner, click ROOT (if you get confirmation window, click Yes) and look on the screen of your device, it will be necessary to allow root access for MTK Droid Tools. If the rectangle is green, you can continue, if the blue, you haven't root rights.

4. After MTK Droid Tools got root access, press the big button IMEI / NVRAM, and click on the Backup button (make sure that there are two check boxes in front of buttons and Backup Restore)

5. All NVRAM backup section will take just a couple of seconds to backup. Backup will be stored in the same directory where is the .exe file of MTK Droid Tools, and you will get two files, one in .bin format, the other in .tar format

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Requirements

1. ROOTED Phone

2. Turned ON USB Debugging

3. Installed ADB drivers

4. MTK Droid Tools

Process of Restore

1. Start the MTK Droid tools and connect the device to your computer

2. Press the ROOT button and allow root access to the devices screen.

3. Click the big button IMEI / NVRAM and then select Restore

4. Select your backup file in .bin format, and then select the .tar file

5. NVRAM is restored within a couple of seconds

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Lets start flashing Firmware ​

1. Start SP Flash Tool.

2. Press button "Scatter-loading" and choose file MT6582_Android_scatter.txt (This file is located in Firmwares folder)

3. Press button "DOWNLOAD"

4. AFTER that Press on device VOL + (dont release before it starts flashing ) and connect USB. it will start flashing. If your phone is not detected, disconnect it from your computer, remove and reinsert the battery and reconnect to your computer. In Device Manager, when correctly installed drivers at the time of the firmware have in com-ports watch mtk the usb port (the MediaTek Preloader USB VCOM Port) . And on completion of the firmware, or in the event of a device error is turned off and disappears from the Device Manager. When the flashing process will start, you can release the button

5. When you see a message about the successful Flashed, close the program, disconnect the Device from the PC, insert the battery and turn on :good:

PS... if cant flash with SP Flash Tool v5.1548 try with SP_Flash_Tool_v5.1352.01_SEC

PS... if dont start flashing pls try to change the file extension the Checksum.ini to the Checksum.oem

Drivers:

1.

Stock Drivers

2. MTK Drivers Installer

3. MTK USB 1.2

Tools:

1. MTK Droid Tools v253

2. ToolHero APK

Firmware:

1. Stock 1.02.401.3

SP FlashTool

1. SP Flash Tool v5.1352.01_SEC

2. SP Flash Tool v5.1548.00.000

3. SP Flash Tool v5.1632.00.000