Micromax a310/a311 unbricking guide

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panuganties

Senior Member
Jul 4, 2013
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Guntur
Flash pure stock rom.
Unbrick guide for canvas nitro..
First of all you need to download stock rom.

Download stock rom from here..

For A310 users: mod edit - link removed

For A311 users: mod edit - link removed
Download ygdp assemble from here: mod edit - link removed
Download drivers from here: mod edit - link removed

### For windows 8 users: ###
1. Go to the windows charm bar/settings/change pc settings/general/scroll to advanced start up. It will reboot.
2. Press trouble shoot/advanced/startup../ restart special option../press 7 (disable driver..)
3. It will boot you normally to windows but now u can install unsigned drivers.

### Now windows 8.1 users. ###
1. Go to the windows charm bar/settings/change pc settings/Update and recovery/recovery/ scroll to advanced start up and click restart now..
2. Press trouble shoot/advanced/start up settings/ restart.
3. Press 7.
4. It will boot you normally to windows but now u can install unsigned drivers like Vcom.
5. Open device manager..
If u r windows 7 or window xp users. Advanced start up ur pc. Then select disable driver signature enforcement.
### Now all users follow this... ###
after downloading the firmware u can find Drivers folder.



x86(32bit) os users, double click on "For windows32bit.exe,
x64bit users, double clickon "for windows64bit.exe,
click install unsigned drivers any way.

Now you can flash ur device with ygdp or sp flash tool...

1.. Open ygdp assembly. Enter password. 369

if latest ygdp noneed to configure just select the cpb file.
2. Click on config button.
3. Choose your phone (8297w_I01).
4. Select CPB file u downloaded.
5. apply your selection.. Wait few minutes for your rom unpack.
6. Click on start button.

Turn off ur mobile . connect your mobile.
Firmware downloading starts automatically. It takes some time to finish..

I got this guide from modaco..
I only changed some drivers process...
Don't blame me if any thing went wrong..

press thanks if i helped..
 
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kaesha4

Member
Dec 17, 2015
37
16
28
Help me please

Phone always disconnected in the middle of CPB download process (at 98% to be precise)..

Probably it was caused by the phone that registered as MediaTek PreLoader USB VCOM Port in Device Manager. Some say, it has to be registered as MediaTek DA USB VCOM Port, but I couldn't figure it out how to change that. Any suggestion?
 

allu_ranjith

New member
May 30, 2017
1
0
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Bro mt65xx preloader disappears within 2-3 secs
Bro Did u solved this issue.
My phone is having the same issue

---------- Post added at 05:19 AM ---------- Previous post was at 05:13 AM ----------

Hello guys,
my micromax a311 is not woking . When i keep charging it will automatically starting the boot loop. And there is no option to go to the recovery mode.
I have tried the YDGP tool but when i start the flashing the device is disconnected and then connecting. Iam unable to flash the rom.
I also tried flashing the recovery using sp flash tool . It is giving me an error (S_BROM_CMD_JUMP_DA_FAIL (2005).
What is the possible solution for it.
 
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