Connect the device and computer with USB cable. On the computer install the ADB then

type into a command prompt "adb reboot recovery"

1. Huawei C8500 volume up+green+power

2. Huawei C8500s

3. Huawei C8600 volume up+call+power

4. Huawei C8650 & C8800 & C8810 volume up+power

5. samsung galaxy mini i5570 menu+power

6. samsung galaxy mini schi559 volume down+left+power

7. samsung galaxy 5 I5500/I5503 volume up+volume down+home+power

8. samsung galaxy y GT S5360 Home Button, Volume Up button and Power

9. samsung galaxy fit S5670 MENU + POWER or HOME + Power

10.samsung galaxy GIO GT-S5660 Home + power and then release power

 11.samsung galaxy ace GT-S5830
12.samsung galaxy ace plus
13.samsung galaxy S Volume up + Home + Power
14.samsung galaxy SII Volume up + Home + Power
15.samsung galaxy Nexus
16.samsung galaxy Note Volume up + Home + Power
17.samsung galaxy S plus
18.samsung galaxy SL 4G
19.samsung galaxy W
20.HTC Explorer
21.HTC sensation 4G
22.HTC sensation
23.HTC sensation XE
24.HTC sensation XL
25.HTC Desire HD
26.HTC Desire
27.HTC Desire S Volume Down+ Power
28.HTC cha cha
29.Sony Xperia Ray
30.Sony Ericsson X-8
31.Sony Ericsson X-10