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[Guide][Marshmallow] Android 6.0 official update for Micromax Canvas A1 (AQ4501)

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Update: SPFlashTool flashable Marshmallow firmware file is now available. Build MOB30N.
OTA links are already there on xda, but here was no specific thread for Canvas A1 so i am writing one

Google has released the OTA files for Canvas A1 and other android one devices.
NOTE: To update your phone using OTA files your phone should be running Stock lollipop or atleast stock recovery. (Not applicable if using sp flash tool)
If you are running a custom rom or custom recovery then before proceeding to this guide you must revert back to stock lollipop using sp flash tool


Pre-requisites: 1.Your phone should be atleast 60% charged
2. Back up all important data (just to be safe)

Canvas A1 users can easily update their device by following method(s)

Method 1 (the usual method):

Step 1: Download the official Marshmallow OTA file from here https://android.googleapis.com/packa...rom-LMY48M.zip

Step 2: Connect your smartphone to computer using the original USB cable.

Step 3: Copy and paste the OTA zip files to phone's storage and make a note of its location.

Step 4: Boot your smartphone into recovery mode or stock recovery: Disconnect the phone from computer, and then turn it off.

Press and hold both the Volume and the Power buttons until the display turns on and enters bootloader mode.
Hit the volume button to open the Recovery menu and then press the power button to select it. Your phone should now boot into recovery mode.
At this moment, a dead Android with an exclamation mark should appear on the screen. Now press and hold Power button for three seconds and then hit the Volume up button once to progress into recovery mode.
Step 5: Return to the main recovery screen and choose 'install update from sdcard'.

Step 6: Then select the OTA zip file using the volume buttons for navigation and the Power button to select any file or open a folder. After you select the zip file, confirm its installation and the update should start installing on your device.

Step 7: Once the installation is done, return to main screen of recovery. Choose Reboot system now to restart the phone and boot into the newly installed Android 6.0 Marshmallow OTA update from Google.

Voila!! You are running official Android 6.0

Method 2 (using sp flash tool, best method)

This method can be used even if you are running a custom rom. You can also use this method to unbrick Micromax Canvas A1.

Pre-requisites: Windows computer, USB cable, and most important "patience".

Step 1:
a) Download micromax driver.{thanks to @mohsin.r.munshi}
Extract its content, you will find an .exe file inside a folder "driver9401". Disable your antivirus and run the .exe file as administrator. (If you are using 64-bit windows, you will need to "disable driver signature enforcement". Google it)
b) Download SP Flash tool from my mediafire or from its official website. Extract it to any folder
c) Download SPflashTool flashable Marshmallow firmware . Extract the zip file. You will see the following files in it (similar not exact)

Note the location of MT6582_Android_scatter.txt file

Step2: Goto the folder where you have extracted sp flash tool. Run flash_tool.exe


Step 3: In sp flash tool, Click on "scatter loading". Then locate and select "MT6582_Android_scatter.txt". SP Flash tool will load all firmware files from the folder where you have extracted the OTA files.

Step 4: Power off your phone. And REMOVE the battery. Now on SP flash tool, click on "Download".
(refer to screenshots given on this website. Ignore the steps given on this website, just refer screenshots)

Step 5: (pay attention to every word) Connect USB cable to your phone only. Then Press and HOLD volume down button and insert the other end of USB cable to your pc. Flashing will start automatically. Wait till you see "OK" message on your pc.

Step 6: Once you see "OK" message, disconnect your phone and reinsert your phone's battery. Turn ON your phone. The first boot will take longer than usual.

Congo! You just updated/unbricked your Micromax Canvas A1.

Feel free to post comments for any doubts and errors
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8th February 2016, 01:22 PM |#2  
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My canvas a1 software has been damaged, and it shows an error while installing update from sd card , so how do I can solve this problem ???? Please reply fast........
9th February 2016, 03:51 AM |#3  
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Quote:
Originally Posted by gd5121995

My canvas a1 software has been damaged, and it shows an error while installing update from sd card , so how do I can solve this problem ???? Please reply fast........

flash official lollipop rom using method 2 above
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16th February 2016, 03:21 PM |#4  
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Hi.. I'm on CM13 now. But I don't have mobile data for some reason. So I want to flash stock ROM. But last time I tried flashing stock, it wiped my IMEI numbers. Luckily my warranty status was somehow reset. So I had to get the phone replaced. Does this have a chance to cause the same problem (wipe my IMEI numbers)??
16th February 2016, 04:30 PM |#5  
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Quote:
Originally Posted by GughanRk

Hi.. I'm on CM13 now. But I don't have mobile data for some reason. So I want to flash stock ROM. But last time I tried flashing stock, it wiped my IMEI numbers. Luckily my warranty status was somehow reset. So I had to get the phone replaced. Does this have a chance to cause the same problem (wipe my IMEI numbers)??


sp flastool wipes userdata only, you wont loose your imei using spft.
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16th February 2016, 04:56 PM |#6  
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Quote:
Originally Posted by sziraqui

sp flastool wipes userdata only, you wont loose your imei using spft.

Realy sorry to say this, but I lost my IMEI using SP Flashtools only. Check this thread.. There are a lot of other users facing the same problem.
And SN Write Tool method didn't help me get my IMEI back.. So I want to be really sure before flashing this time
16th February 2016, 05:45 PM |#7  
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recover imei android one....
try this...worked for my spice android one (mi-498)
http://forum.xda-developers.com/cros...d-one-t2992846
16th February 2016, 07:03 PM |#8  
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Quote:
Originally Posted by GughanRk

Realy sorry to say this, but I lost my IMEI using SP Flashtools only. Check this thread.. There are a lot of other users facing the same problem.
And SN Write Tool method didn't help me get my IMEI back.. So I want to be really sure before flashing this time

In that case, i would suggest you to take a backup of your imei data using MTK Droid tool. Also copy your nvram folder straight from your phone to as many external storages as you can. Nvram (imei data) somehow becomes unrecognised after downgrading some phones.
Solution:
1. Use MTK droid tool to restore it from a previous backup.
or
2. locate nvram folder ( /data/nvram, correct me if i m wrong) DELETE it. Then paste a copy of your nvram folder that you copied when imei was not lost. DONT chmod. You will most probably get your network working (ensure that sim card was PRSENT and Radios were ON during this copy paste) within few seconds. I did this to restore imei on galaxy s4.


well, i have flashed 9 different mediatek phones using spflashtool, didnt lose imei in any.
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17th February 2016, 05:50 AM |#9  
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Quote:
Originally Posted by sziraqui

In that case, i would suggest you to take a backup of your imei data using MTK Droid tool. Also copy your nvram folder straight from your phone to as many external storages as you can. Nvram (imei data) somehow becomes unrecognised after downgrading some phones.
Solution:
1. Use MTK droid tool to restore it from a previous backup.
or
2. locate nvram folder ( /data/nvram, correct me if i m wrong) DELETE it. Then paste a copy of your nvram folder that you copied when imei was not lost. DONT chmod. You will most probably get your network working (ensure that sim card was PRSENT and Radios were during this copy paste) within few seconds. I did this to restore imei on galaxy s4.


well, i have flashed 9 different mediatek phones using spflashtool, didnt lose imei in any.

Thanks! I'll post an update when I come around to flashing the stock ROM. Don't have the time now.
30th March 2016, 08:10 AM |#10  
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hi can i use these update for micromax unite2(8gb) from lolipop to marshmallow.
30th March 2016, 04:19 PM |#11  
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Firmwares are device specific. You CANNOT install a this on any other phone. You will brick your phone by installing a ROM which is not made for your device
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marshmallow for canvas a1, sp flash tool, unbrick canvas a1, update canvas a1

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