User blog comment:Bloomshinix/JP server/@comment-25971820-20150516131202

Installing SIF JP is different for android and iOS.

Android:

1. download the latest version of SIF JP released. There is one here: http://platinumdis.co/lovelive, but you can look for it in other sites.

2. If you downloaded it on your pc, transfer it to your phone via usb cable

3. using an File Manager app (you have none, you can try using Astro File Manager), find the SIF apk file and tap install.

4. After the installation, open the gane to start downloading the game files

iOS:

1. you need a JP iTunes account

2. Go to the japanese itunes app store

3. look for the SIF App on app store. Here's the actual link for it if youre having trouble finding it: https://itunes.apple.com/jp/app/raburaibu!sukuruaidorufesutibaru/id626776655?mt=8

4. install like any normal app

5. open to download the files

EDIT: making an itunes account on JP will be in japanese, here's a guide:

http://2p.com/4161143_1/Wanna-Register-for-a-Japanese-iTunes-Account-This-Guide-Teaches-U-How-to-Creat-by-yuko