Few months back we shared how to restore stock ROM (RUU) on HTC phone which due to some Android system app uninstalled carelessly, some function of HTC phone can’t work normal. Then need relock bootloader and restore stock ROM with RUU software, all the system app will restore back and phone will be normal as usual.
However restore Android system app need a following lot of steps and procedure especially for HTC devices which just need one or two system apps to recover back. If you are felt same situation as me thinking restore stock ROM is quite tedious just for recover system apps purposely, then you can try below trick to install system app on Android easily.
Install Android System App
Here i would like use HTC One V as example and use the steps mentioned on how to restore tock ROM (RUU) on HTC phone till find ROM.zip, copy the Rom.zip file to another location on PC.
Then unzipped ROM and extract system.img file, put it in the location. All the Android system app are stored inside system.img file.
System.img file is ext2 file where different with Windows uses FAT or NTFS file systems, we can use Ext2Read open and explore system.img file, then extract system app and install apps on android finally.
Ext2Read is an explorer like utility to explore ext2/ext3/ext4 files, it now supports LVM2 and EXT4 extents and can be used to view and copy files and folders.
Download Ext2Read and installed. Start up Ext2Read > File > Open Image > system.img file.
Double click on app folder, we will noticed all the system apps contained inside. Now we can extract the apk and odex files to PC which we deleted carelessly on android phone according to the file name.
Install all the apk and odex file to SD card then use Titanium Backup Android app install apps on Android.