It’s Pretty Easy To Install MIUI 4 on Galaxy Ace [How-To]
If you are a user of Galaxy Ace then there is something interesting news for you and that is, you can easily install by follow the guide below. Here I’d like to say that This ROM is well-matched only and only with the Samsung Galaxy Ace S5830 don’t try this for any other device. Before you get started make sure that you have manage your back-up because the below steps can damage your valued data.
On the other hand you also need a Rooted Galaxy Ace you can found the guide here for this purpose and also make sure that your device is fully charged.
DISCLAIMER: The below method is bit risky and we will not be held responsible if you lose data or your device gets damaged in the following of this guide so please proceed at your own risk.
As I mentioned above you need to take proper backup of your phone and charge the battery top a good level (preferably 100% to avoid battery calibration issue)
Restart your phone in CWM mode using Home and power button
Wipe data/Factory reset >> yes
Wipe Cache partition >> Yes
Advanced >> Wipe delvik Cache >> Yes
After that you need to go in main menu go to Install ZIP from SD card and show the location of the file Wait till installation is complete Reboot the system now Once system boots up >> Just wait for 5 minutes before you start using it.