Ashish_Ghorela Lock mobile files by RDS 2.7
[Download RDS 2.7 by click here: http://kundanpura.yn.lt/files/RDS_2_7.jar ]
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Help
Download and open this application,
choose File Locker,
now select file to be lock,
click on Menu > Protect > Encript
enter your password and file will be lock.
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For unlock Menu > Protect > Uncript