QNET TIGGO Firmware Back-up BIN files

Qnet mobile model Tiggo, Android Smart phone with Os version 4.4.2 Spreadtrum Firmware is here.
This device have no Recovery mode to reboot factory reset mode.
But there's have calibration boot mode without factory setting that's why it's difficult to reset the device.
The modem base i read in about phone modem menu is DM BASE 12A W13.39 SC7731G_MODEM 09292015.
The figure below was the unit after successful reset factory i already backup as BIN file using miracle tools.



Figure 1: Front



Figure 2: Back cover


Figure 3: Miracle tools Backup


A total of 264 mb NAND type flash BIN FIRMWARE can use to write flash back using miracle tools.
You must set the tools to SPD tab>Read menu > set to choose type boot to SPD8810/6820 then hit start flash by using USB mode.
QNET TIGGO Firmware Back-up BIN files is can use to same model about have problem about software related problem Hang, no power, password, pattern lock , anything about software related.
Do it at your own risk, After flashing ! the device is set automatic in reset condition, All user data is lost.
Make sure back-up important data before to proceed flashing your phone.

Download Firmware : Click here
Download Password : Click here
Download Mobile Tools : Select here
Download Phone driver : View
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Extract the downloaded compress file using 7 ZIP or winrar and provide given password if asked, Do it at your own risk, After flashing ! the device is set automatic in reset condition, All your user data is lost. Make sure back-up first before to proceed flashing your phone.

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2 Blog Comments
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If read description, the ROM is SPD6820 chipset. of course the driver is spreadtrum

Spreadtrum usb Flashing driver
1.SPRD3 Drivers (CM2)
2.SPRD NPI USB Driver production line version.rar
3.SCI usb2serial flashing spreadtrum chipset
http://phoenixemer.blogspot.com/p/smartphone-and-android-driver-this-type.html
for me i use no. 3

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