How to upgrade Samsung Galaxy Gio S5660 to Gingerbread (2.3.5)

After upgrading Samsung galaxy pro to gingerbread, I got a lot of request to show the steps for Samsung galaxy gio. Samsung galaxy gio can be upgraded to gingerbread 2.3.5 easily. Check out how:

Steps before Upgrading:

1. Take backup of Contacts. Go to Contacts > Press Menu button > Click on More > Import/Export > Export to SD card > Confirm by pressing Yes.
2. Take backup of your messages. For this you need an app. I personally use SMS backup & Restore Pro by Ritesh Sahu, you can get it for free, check this article.
3. Take backup of the installed apps. For this you need to use a file explorer app, I used ES File Explorer. To take the backup of the apps installed, Open ES File Explorer > Press Menu button > Click on Manager > Click App Manager > Press Multi-select button on the top and select all the apps > Press Menu key > Click on Backup. The backup will be taken in SD card “backup” folder.
4. Take backup of current settings and application data. Go to Settings >Privacy settings > Put a check mark on Back up my data and Automatic Restore.
5. Shut down your galaxy gio and remove SD card and SIM card. (Don’t Power On your galaxy gio now)

File required for the process: http://hotfile.com/dl/131174369/d853e50/S5660XXKS2.rar.html

Extract the file and you will get the following file:  (Password: samfirmware.com)

APBOOT, CODE, GIO ops, Gt-S5660 multi CSC, Modem and Odin Multi Downloader.

Step By Step Process:

1. Unzip and extract the files that you have downloaded to a specific folder.
2. Run Odin downloader.
3. Put a check mark on Auto reboot and Protect OPS.
4. Click on OPS to browse and select GIO_v1.0.opsfile. You need to go the destination folder where you have extracted these files.
5. Click on Boot to browse and select APBOOT_S5660XXKS2_CL597529_REV03_user_low_true.tar.md5 file.
6. Click on Phone to browse and select MODEM_S5660XXKS2_CL597529_REV03.tar.md5 file.
7. Click on PDA to browse and select CODE_S5660XXKS2_CL597529_REV03_user_low_true.tar.md5 file.
8. Click on CSC to browse and select GT-S5660-MULTI-CSC-OXXKS2.tar.md5 file.
9. You will get the following message once firmware file is checked :

Check MD5 FileName…

MD5 File Name : APBOOT_S5660XXKS2_CL597529_REV03_user_low_true.tar

Open File Name : APBOOT_S5660XXKS2_CL597529_REV03_user_low_true.tar

Check MD5 …

Tail MD5 : FD709C6EA58DDF3F9C5DD13368B9C59C

Image MD5 : FD709C6EA58DDF3F9C5DD13368B9C59C

Check MD5 … ok

Check MD5 FileName…

Check MD5 FileName…

MD5 File Name : CODE_S5660XXKS2_CL597529_REV03_user_low_true.tar

Open File Name : CODE_S5660XXKS2_CL597529_REV03_user_low_true.tar

Check MD5 …

Tail MD5 : 341EE9B5CC936F92067EEA20D7AA3D11

Image MD5 : 341EE9B5CC936F92067EEA20D7AA3D11

Check MD5 … ok

Check MD5 FileName…

MD5 File Name : GT-S5660-MULTI-CSC-OXXKS2.tar

Open File Name : GT-S5660-MULTI-CSC-OXXKS2.tar

Check MD5 …

Tail MD5 : 4490B83B88AF3E3E8E61BCDE32E79704

Image MD5 : 4490B83B88AF3E3E8E61BCDE32E79704

Check MD5 … ok

10. Press HOME+POWER+VOLUME DOWN button simultaneously to enter in Download mode.
11. Once you are in the Download mode, connect it to USB data cable and wait for ODIN to detect the phone. Once detected, the COM PORT 1 MAPPING box will become yellow and the phone’s port will be detected. In the message section, you  will get the following message:

<1> Added!!!

<1> Detected!!!

12. Now click on START. Wait until the green bar in the first box reached to the end. It will take around 5-6 minutes and will reboot your Galaxy Gio twice or thrice.
13. Once done, it will give a message as PASS in the COM PORT box as well as message section.
14. Disconnect the phone from USB. Reboot it and select your language and go to Settings > About Phone and check the Firmware Version.
15. Restore the phone back to factory settings to wife off the data. To do it Go to Settings > Privacy settings > Factory Data reset.
16. Once it restarts, shut it down again and insert SD card and SIM card and now your Samsung Galaxy Gio is just like a brand new handset with android gingerbread 2.3.5.
17. You can follow this article if you want to setup up phone for the first time.

Note: Make sure your galaxy gio is fully charged while doing this and take proper back up of apps, contacts and SMS before trying this. This process is checked on couple of Samsung Galaxy Gio and they have worked fine after upgrade to gingerbread. If you face any problem you can write it in comment, we will help you out. Do at your own risk. We will not be responsible if you end up screwing your phone. We thank samfirmware.comfor the file.

Noticeable changes after Gingerbread Update:

• Smoother and faster UI.
• Better battery backup.
• New smart icons.
• Better wifi capability.
• Bugs fixed of the previous 2.3.2 version.

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