HOW TO MAKE PAC FILE FOR (SPD) SPREADTRUM DEVICES.
How To Make .Pac File / backup SpreadTrum Phones
Phones with SpreadTrum (SPD) chip.
This guide is for Spreadtrum (e.g Itel, Micromax, iTEL, M-horse, Lanovo, Kimfly, Mbo Orro, H-mobile etc) Android phones
This guild will Let You Know How To Make Pac file for SpreadTrum devices
& how to make backup of your SpreadTrum devices.
Notes: Before you do any backup of your ROM, wisely read Info about phone,
Its very important to know your phone flash type and size, 264mb,528mb
e.g Do not flash sc6820 Pac with Sc6825 Pac
Chinese phones are trickey,
Same phone but different software version Wrong version for similar phone model brings Device not booting or dead devices
A pac file of 528mb flash cannot be used on 264mb phone.the result is white screen, no tacticle, or no power
Year and version of phone software is very important in Chinese ROMs..
You cannot use a 2013 Pac file with 2016 Pac, even if the phones looks similar.,
example..
You can not flash M-horse 920(without front camera) with M-horse 920(with front camera).
You can not flash M-horse 9500mini (without front camera) with that M-horse 9500mini (with front camera)
What is .Pac ?
.Pac files is a SpreadTrum firmware extension e.g. IT1355-HY606A-20160723.Pac
This Pac file can be use when You have a brick Spreadtrum phones.
How To Flash .Pac File?
Download Pac file of your model from here
Download Researchdownload Tool from here
Learn how to flash Pac file using Researchdownload or UpgradeDownload From here
Tools We Needed:
1. PC
2. SpreadTrum Device
3. Rooted Device
4. SdCard
5. Professional Flashing Tool (Crack/Original Box) e.g Chinese Miracle II, Miracle Box.
HOW CAN I MAKE PAC FILE
Format / factory Reset the Phone
Insert a clean formatted sdcard 2gb or more
Your phone must be in Debug mode You can turn on/off debug mode in Phone setting/developer.. If you cannot find "developer" in your phone settings, go to settings/about/build.. Click build 7times and developer will be available.
Root your phone using any Root software e.g Iroot, Kingroot. e.t.c.
Connect the phone to PC using usb cable And open Miracle box, e.t.c
Click on SpreadTrum Tab an select your device Boot e.g. sc6820
In miracle box SpreadTrum Tab Now click (Backup Mobile (ADB)..
Phone must be detected in adb mode, if your MMC is clean and have enough space, backup of ROM must start.
After successfully backup of ROM. miracle tries to pac ROM as .Pac, don't use that Pac its not edited, it contains a lot of junk files.
check all your files in the backup ROM folder, e.g system,fixnv, e.t.c
in this step above you have successfully make a ROM, below will guide you how to edit it an make it a Pac file
Tools Needed For Editing And Pac Making
Hex Editor
Yaffey
Hex Editor: It is the main tool in editing, its does a lot of editing of different file formats, and also converts file format to img/.bin/.bmp e.g.
Yaffey
Its a tool used to edit sytem files, on this case we use Yaffey to edit System and Userdata only. other files are edited by Hex editor.
Sytem.
Open yaffey
Locate your sytem file in backup folder
Delete pre-installed apps which eats space like whatsapp, facebook etc.
your system.img must not be more than 200mb in size. Keep on looking for pre-installed apps to make the system usable.
after completing of sytem editing save your file as system.img and exit yaffey.
Userdata.
Open yaffey
Locate your backup rom folder and select userdata
Check for "divanche cache" And delete everything in that folder, Look for pre installed apps like whatsapp, facebook,eating space and delete then.
For a perfect Userdata file, it must range between 2.6mb to 2.8mb in size after editing.
when finished editing save your file as userdata.img then exit tool.
Now Open ReseachDownload {newly extracted)
After packing your file in step (6)
Give a name to your Pac file and version as reference and designate location you want to save your pac file
Congrats! you have created your Pac file.
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