Don’t get disheartened just in case if you are having the T-Mobile Samsung Galaxy S II SGH-T989 as in this article we will be checking out on how you can easily update your device with the latest custom ROM firmware which Is dubbed as Jedi Mind Trick v6 which comes with a host of features which you can find them in the corresponding link. The best part of this update is that it almost looks like the Samsung Galaxy S3 smartphone when we see the preloaded wallpapers, features and other key stand out features of SGS3 device. This is the custom ROM firmware and also there is no ETA on by when there will be an Official Jellybean 4.1 update for T-Mobile Samsung Galaxy S II SGH-T989 device.
Over a period of this article we will be checking out on what are the instructions you need to follow before we head to the detailed guide in the next page along with the screen shots of this custom ROM firmware.
Rooting Information: Since it’s a custom ROM firmware, you will have to root the device. Download “Root Checker” app from the Google PLAY Store and check on whether the device is rooted or not. If the device is not rooted then you can’t apply this update. Also be informed that once the device is rooted, the warranty will be lost. The only way with which the warranty can be reclaimed is by re applying the firmware update.
It’s always very important to back up the data as there is a possibility of data getting corrupted or deleted as your device firmware will be upgraded. With the help of below mentioned steps you need to back up the data manually and not with the KIES PC Suite as it won’t detect your T-Mobile Samsung Galaxy S II SGH-T989 device since it’s the custom ROM firmware.
SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
In your T-Mobile Samsung Galaxy S II SGH-T989, head over to the path “Settings > Applications > Development > USB debugging” for enabling the same. Also, ensure that the minimum charge left is not less than 40%. Install the T-Mobile Samsung Galaxy S II SGH-T989 Drivers from here to your computer.
Disclaimer: We should not be held responsible or liable for any damage happened to your device due to not following the instructions. It is very unlikely that there will be any damage to your device if you follow all the instructions.
So once you are done with all the above mentioned steps, you can now head over to the next page where we have mentioned a detailed guide on how to apply this update.