Built for Samsung Galaxy

CSC Check

Region checks & CSC changes, simplified

Verify your phone's country code, confirm compatibility for your market, and change CSC settings — all from your Android device. No computer. No firmware flashing.

Free on Google Play · USB OTG cable and a second Android phone required

What is CSC?

Instant clarity

No flashing required

Guided process

How it works

See it in action

A clear interface designed for non-technical users

Device diagnostic — purchase or existing

CSC change demo

Everything you need in one app

Pre-purchase & pre-change diagnostics

CSC change via USB connection

Who is CSC Check for?

Frequently asked questions

Ready to check your Samsung?

Download CSC Check and get answers in minutes.