How to put GammaTech DURABOOK R11 in Bootloader Mode
1. Power down the phone.
2. Now press-hold the Power & Volume Up buttons. Release them after the Gamatech logo appears.
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Device MenuHard Reset for GammaTech DURABOOK R11How to Soft Reset GammaTech DURABOOK R11How to put GammaTech DURABOOK R11 in Bootloader ModeHow to put GammaTech DURABOOK R11 in Troubleshoot ModeGammaTech DURABOOK R11 descriptionCheck IMEI and warrantyCheck BlackList statusUnlock GammaTech DURABOOK R11