Please disable your adblock and script blockers to view this page.

Multi Rom For Samsung Galaxy Ace 3 ( CM12.1 & CM11 )

Multi Rom (CM 12.1 & CM 11) For  Samsung Galaxy Ace 3 LTE (S7275R)[DualBoot]

Multi Rom :
MultiRom Logo
Multi ROM is a multi-boot solution for several devices

It can boot any Android ROM as well as other systems like Ubuntu Touch, once they are ported to that device. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.

Source : Tassadar Github

How To Install Multi Rom On Ace 3 LTE (S7275R) :

ace 3 lte multi rom
  • In This Post You can see how to install Multi Rom on Ace 3 LTE . Its A Kind Of  Mod For Our Ace 3 LTE . So The Multi Rom Has been tested With Ace 3 LTE S7275R Alone. I did'nt Test With Other Models Like (S7275B) So please Install With S7275R Alone. 

  • If U have Tested With  S7275B Model So Please Leave a comment below (Do it your own Risk). 

(Thanks to Kotzir From Xda)

Tip :
CM 12.1 (Primary Rom ) To Install (CM 11) As Secondary Not Tested With Stock Rom

Warning :

Installing Multi Rom & Custom Roms Will Void Your Warranty So Do it with Your Own Risk We Are not Resonsible for any Damage.


  •  Pre Requirements
  • Installation Procedure
  • Download Links
  • Video Tutorial

Pre Requirements :

  • You Must Have CM 12.1 Installed On Your Device  ( CM 12.1 On Ace 3 LTE) 
  • CM 12.1 _Kexec_oc .zip File
  • CM 11_kexec_oc .zip
  • CM 11 Rom
  • Multi Rom Manager App
  • Multi Rom Installer .zip
  • Modified Recovery
Tip : All The Links has been Placed In Download section below

Installation Procedure :

  • As i Assuming You Already Installed CM 12.1 As (Primary Rom) if not click here
  • Copy All The Required Files From Your Pc To Your Device Internal Storage(Ace 3 LTE )

Tip: Dont Copy To Your Micro SD Card Based on this method

multirom needed downloadble contents

  • Place your Mobile At TWRP Recovery  (Vol Up + Home + Power Key ) Press At the Same Time

  • To Enable Advance Recovery Mode  (Settings -> About Phone -> Build Number (Tape 7 times) ->Developer Option ->Enable Advance Recovery Mode)

ace 3 twrp

  • Flash CM 12.1_kexec_oc .zip

ace 3 twrp

  • Then Install  " Multi Rom Manager  App"
If it Needs Root Permission Means just  go to Dev.option -> Enable Root (Apps Only)

  • Then boot your device in to recovery mode to install/flash "Multi Rom Manager "
  • After That we need to flash "Modified Recovery" Inside Twrp Recovery ( Select install -> images -> Recovery -> recovery.img -> flash it)
  • To Flash CM 11 as (Secondary Rom)
  • Inside Recovery Go To Advanced ->  Multi Rom -> Add Rom ->Android -> Next -> Zip File -> Select CM 11 Final Build -> Flash It.
  • Reboot Your Device you can find CM 11 (Secondary Rom) on Multi Rom Manager App -> Manage Rom -> CM 11
  • Reboot in to recovery mode
  • Inside Recovery  Go To Advanced ->  Multi Rom -> List Rom -> CM -> Select Flash zip -> flash CM
  • Reboot Your Device
  • Open Multi Rom Manager  App -> Select Manage Roms -> Tape On CM 11  and select boot it will start Booting
  • First Boot Will Take (20-30 mins) so be patient.

cyanogenmod 11 ace 3

ace 3 kk

Download Links :

CM 12.1 Rom      :    Download 
CM 12.1 _kexec_oc .zip File     :   Download  
CM 11_kexec_oc .zip                :   Download 
CM 11 Rom                              :   Download 
Multi Rom Manager App           :   Download 
Multi Rom Installer .zip            :    Download 
Modified Recovery                    : Download