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Karbonn A25 flashing guide.

65 posts
Thanks Meter: 3
By Naineesh, Member on 17th February 2014, 10:37 AM
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*This guide is for getting back alive a phone from soft brick issue*
*Note: I am not responsible for any kind of damage to your phone.*
*Because whatever is done, is done by you*
*Just follow the instructions properly*

Firstly download & extract MT6577 USB VCOM and install the mt6577 usb vcom drivers.

Get the zip of flashing tool and rom from here,..request here,....

Now you are ready move on for the upcoming process.

1. Now Extract the A25 zip.

2. Then go into the extracted A25 folder and open the flash files folder.
3. Then open flash_tool.exe from it.
4. Select scatter loading
5. Go inside the extracted folder of A25 folder and go inside the rom folder and select MT6577_Android_scatter.txt
6. Select SEC_RO, Select LOGO, Select ANDROID Select USERDATA.(unselect all others)
*Update(and select userdata also for google play store to work)*

PRELOADER & DSP_BL flashing is very dangerous never select it until you are an expert and know about it.
7. As you select the scatter text the software gets all the necessary files that are needed for flashing, it’s because they are in the same folder, so now we can directly continue towards main flashing.

Main flashing
1. Firstly make sure your phone’s battery is at least 50% charged.
2. Make sure your usb cable is ok.
3. (Confirmation) this guide is for softbrick phones.
Now when you are totally ready.
1. Remove the battery of the phone.
2. Connect your phone with usb cable and connect it with your computer.(with removed battery) (Do Not Insert Battery Yet)
3. Keep the phone connected only. (with no battery)
4. Now click the download button on the software flash tool.
5. When you will click download it will load the files, the download is not started yet.(so don’t panic)
6. Now in seconds it will load files and it will wait for your phone to connect, it will show searching.
7. So now its time for flashing.
Now insert the battery and the software will start flashing immediately, while flashing do not make any mistake of removing cable, or else it may hard brick your phone, the download will start if there are no other issues, and total flashing time would be 6 or 10 minutes.
If the flashing went all ok, with no problems then it will show Download Ok.(preview down)

8. Now finally disconnect the phone from the usb cable and remove and re-insert the battery, and power it on, Happy Flashing 

Guide By Naineesh Rathod
XDA Name - Naineesh
Please hit thanks if it helped
Last edited by Naineesh; 17th February 2014 at 10:45 AM.
The Following 2 Users Say Thank You to Naineesh For This Useful Post: [ View ]
17th February 2014, 03:36 PM |#2  
Junior Member
Thanks Meter: 0
thanx man
dude I thought that there was no hope bringing my a25 back but you did i t yaar thanx
17th February 2014, 06:30 PM |#3  
Naineesh's Avatar
OP Member
Flag vashi,navi mumbai
Thanks Meter: 3
Originally Posted by asad rocker

dude I thought that there was no hope bringing my a25 back but you did i t yaar thanx

Your welcome,......
20th August 2014, 03:07 AM |#4  
Junior Member
Thanks Meter: 2
Sir,I cant download the files please upload them on mediafire and give me the link after uploading
8th September 2015, 12:08 PM |#5  
Junior Member
Thanks Meter: 0
Smile hard bricked karbonn A25
After flashing the new updated stock rom on my karbonn A25 ,it is hard bricked now its not working showing black screen
The rom i Have downloaded from Android.xda site version 8.something please help.
thanks in advance.
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