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If you’ve typed a code from the working list above and nothing happens, try this:

: Displays both software versions and the hardware production date. (Service Mode) how+to+use+secret+codes+on+samsung+galaxy+a7+2+work

Opens the wireless network testing menu. 5. What to Avoid - Precautions If you’ve typed a code from the working

If you dial a code and nothing happens, it is usually due to one of three reasons: Auto Blocker: how+to+use+secret+codes+on+samsung+galaxy+a7+2+work