Disclamer : This site will not be responsible for anything damages or data loss to your device. This site is only for information purposes only.We have instructions below follow step by step proccess to have a successful installation without causing problems. Proceed at your own risk.
Requirements:
1. First, Back up your important data's such as SMS, Contacts, Call logs, Images APN Settings and etc.
2. The battery life of your device should not be less than 60%. to finish the update without turning your device off.
3. Also disable all security suites you have in your device so that no interuption during the process of the update may occur.
Now the step by step procedure on how to Update Galaxy Tab 7.7 ICS 4.0.4 Firmware:
1. First, Download ICS 4.0.4 firmware package here.
2. After downloading the file connect your Tab to the computer using USB cable.
3. Now put the downloaded zip file from the computer to your device.
4. Disconnect the device from the computer and turn off the device to enter in recovery mode.
5. To enter recovery mode, press volume up + power keys together.
6. In recovery mode choose install zip from sd card > select zip from sd card and then select the downloaded zip file ( P6800XXLQ1_ICS_IT168.zip) which you have put in your device.
7. Wait for a while to finish update. As soon as its updated you will be asked with language settings and you will have to disconnect the device connected to the computer.
8. Now check the firmware if you have updated by going to settings > about tablet > firmware version.
9. Congratulations! You have successfully updated your Samsung Galaxy Tab 7.7 with ICS 4.0.4 XXLQ1 Firmware.
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