This is a step-by-step guide explaining how to boot into recovery mode on an Android device. The exact procedure varies with chipset and device so this tutorial will try to cover as many techniques as possible. Hopefully one will apply to your device.
How to boot into Recovery Mode on an MTK phone (e.g Tecno, Gionee, Infinix, Opsson, Innjoo etc)
Switch off the phone.
Press volume increase/up and don’t release.
Press power button and keep holding down both buttons.
Don’t release till you enter recovery mode which will either show clockworkmod or an Android robot lying on his back .
If you get stuck on android lying at its back, then press the power button once to proceed into recovery mode. Some models require you to hold the power button and tap the volume increase button twice
For newer MTK devices, you'll need to hold power button then press vol up button immediately and release both buttons together to proceed into recovery mode
How to boot into Recovery Mode on Tecno Phantom 6 (No Command / Supported API:3)