The quickest way to upgrade to the latest firmware is to download it and install it as a software package. This software is located on top4download. There are two versions available for download. The first version, which is for Android 4.4.2, is free, but the Android 4.4.2 version is available for free. The other version is for an older version
Double check the above two steps. Click the Start button to begin flashing the Android 4.2.2 firmware on your Galaxy Grand Duos GT-I9082, and wait until you see a PASS! message in Odin’s top left box. When you get PASS! message, your phone will restart automatically. You can then disconnect your phone from PC.
If you are lucky for a tablet you can get one major Android version upgrade and security updates up to 2 years after the device has been released to market. For cell phone it the support period depends on how cheap or expensive the device was and how many devices of that type were sold.
The Android 12 update download size is typically 1.5-3GB depending on the device. So, it is better to download the update with WiFi unless you have sufficient mobile data. After the update is downloaded, you can then install it. This always requires an automatic reboot. The process can take one to two hours.
First seen in Android 4.2 Jelly Bean (improved upon in Android 4.3 Jelly Bean) – only available on tablets. Bringing Android tablets in line with desktop operating systems, Android 4.2 added the
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can android 4.4 2 be upgraded