How to Update AT&T Samsung Galaxy S3 I747 with PAC-MAN Android 5.1 custom ROM

PAC–MAN Android 5.1 Lollipop Custom ROM is released for AT&T Samsung Galaxy S3 I747. And recently we have published an article – How to Update T-Mobile LG G3 D851 with PAC MAN Android 5.1.1 Lollipop Custom ROM. The PACMAN Rom is prepared to update with your AT&T Samsung Galaxy S3 I747. We have checked this ROM on our unit, and works good. This is the greatest ROM for the customers who is not satisfied with the old Android 4.4 Kitkat and waiting around to update your cell to Android 5.1.1 Lollipop. I will help you to update your AT&T Samsung Galaxy S3 SGH-I747 to Android 5.1.1 Lollipop with PACMAN custom ROM.

PAC MAN android 5.1 lollipop rom for t-mobile lg g3

Warning before updating Android 5.1.1 Lollipop PAC MAN custom ROM on AT&T Samsung Galaxy S3 I747:

  • We are not dependable for any damages that could took place due to utilizing this PAC-Man ROM. If any difficulty takes place that related to installing, we will aid you to remedy it.
  • Use this manual at your own danger. We shall not have any legal responsibility or obligation for what ever occurs to you and your AT&T Samsung Galaxy S3 by making use of the directions in this guidebook.
  • The steps given in this tutorial is only to use with AT&T Samsung Galaxy S3 I747. Applying this guide to any other device or any other model may produce many problems.
  • Read and Comprehend the entire tutorial initial, ahead of likely to carry out the actions on your I747.

Pre Requirements:

  • A PC or Laptop with Working Internet connection for downloading PACMAN ROM.
  • We recommend you to take a backup of your data in the mobile using PC suite or any other method. After the process, the data won’t be deleted. In case if you miss some data you can restore it from the backup file on your I747.
  • SMS – How to Backup Messages
  • Contacts – Sync with Gmail App
  • Videos , Images, Songs and Other Files – Copy to internal / External SD card or System
  • Then maintain minimum 60% charge in your I747.
  • And Enable USB Debugging – Settings > Developer Settings> USB Debugging”. Check this – How to Enable USB Debugging in Android 4.2 Jelly Bean.

Download files:

  • ROM file – pac_d2att_LP-MR1.Beta-1.Official_20150419-110251.zip – here
  • Gapps – here

How to install PAC MAN Android 5.1.1 Lollipop Custom ROM on AT&T Samsung Galaxy S3 I747:

  • Make sure you have rooted mobile and installed ClockWorkMod Recovery on AT&T Samsung Galaxy S3. How to Install ClockWorkMod recovery on Samsung Galaxy S3 SGH-I747 AT&T.
  • Connect your phone to PC or laptop with original USB Data cable. That you got when you bought the phone. Because using other cables may produce not detecting problems on I747.
  • Transfer the downloaded files to your I747 SD card.
  • Switch off the Samsung Galaxy S3 I747 mobile.
  • After that, Reboot into recovery mode. Check this – Enter Recovery Mode in Samsung Galaxy S5 All Models
  • Do the following: “Wipe Data/Factory Reset > Yes”
  • Do the following: “Wipe Data/Factory Reset > Yes”
  • Do the following: “Advanced > Wipe Dalvik Cache > Yes”
  • Do the following: “Mounts and Storage > Format /system > Yes”
  • After the above process, select the “Install Zip from SD card” and then “Choose zip from SD card” on I747.
  • Now choose the downloaded file ROM file “pac_d2att_LP-MR1.Beta-1.Official_20150419-110251.zip” that downloaded earlier.
  • Then again do the same for flashing Gapps file on your AT&T Samsung Galaxy S3.
  • Then confirm it and wait for the process complete. It takes some long time to complete in I747.
  • Then select “Go Back > Reboot System now” to reboot the I747 phone.
  • Normally first boot take some long time to complete. It will install the updates on the first boot. So, wait un till it finishes the booting process on I747.
  • If your phone has stuck on the welcome screen or boot screen, just remove the battery and re insert it and do the above steps again on AT&T Samsung Galaxy S3 SGH-I747.

Check it out:-

How to Root Samsung Galaxy A3 A300F Official Android 5.0.2 Lollipop

Update Sprint HTC One Max to Android 5.1 Lollipop CM 12.1 custom ROM

Now you have successfully learned how to update or install Android 5.1.1 Lollipop PACMAN Custom ROM on AT&T Samsung Galaxy S3 I747.

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