CipherLab RS51 User Manual page 9

Prerequisite
Step 4:
Return to Settings and tap on " Developer options", switch both Developer options and USB debugging
to "On" , and tap on "OK" on the confirmation window.
3) Go to " " → " " in your PC to check whether has
Control Panel Device Manager ADB Driver
been installed in your PC.
ADB Driver is not installed ADB Driver is installed
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