Now Line users can change LINE themes iPhone and Android easily if follow how to install own create themes on android and iPhone. Moreover a Taiwanese also developed android app called 我就是要換主題 let Android users change LINE app themes in one click without rooted, at that time iPhone users still cannot enjoy change themes with this trick. Now a Cydia app developer from Taiwan developed a cydia app allow iOS users change LINE themes iPhone in one click same as Android users.
Change LINE Themes iPhone With Cydia App
First your iOS devices already rooted. Go to 「Cydia」 > 「Sources」, adding http://apt.iphone4.tw/.
Now searching for 「LINE Theme Manager（我就是要換主題）」 cydia app, then installed and reboot with SpringBoot.
You will find 「LINE Theme Manager（我就是要換主題）」 app installed and appear on iPhone.
Connect iPhone to iFunBox application. Locate Raw File System > User > Library > Lime Themes, all your own create themes install here.
Drag or transfer own create LINE app themes to User/Library/LINE Theme directory, then disconnect iPhone to iFunBox application.
Make sure Cony Theme already apply to LINE app for iPhone, then tapping on 「LINE Theme Manager（我就是要換主題）」 Cydia app. It’s will list out all the themes that you already transferred.
Select one of the LINE themes and tap OK, next close LINE application and run again. This time you will find LINE themes for iPhone already changed, if you want switch to another theme just run 「LINE Theme Manager（我就是要換主題）」app again and select the theme.
Tap on Recovery button located at top right corner change back to default Cony theme on LINE app messenger. Easy ?