Open fastboot mode in LENOVO Tab 4. In this hidden Android mode you can connect your device with PC with CMD. In our video we also show you how to exit LENOV Open fastboot mode in LENOVO Tab 4 hello i have a lenovo z5s.I wanted to make a factory reset as it got a bit laggy but unfortunately the bootloader didnt let me.So i got into ffbm mode and the phone stuck.When i manage to get out of the ffbm mode the phone opened and it stuck on (copy apps and data) where it give me the Lo primero que vamos a hacer para poder formatear nuestra tablet Lenovo es apagar por completo el equipo. Una vez ya apagada, vamos a encender nuestra tablet Lenovo manteniendo presionado el botón de subir volumen y el botón de iniciar al mismo tiempo hasta que nos aparezca en la pantalla la imagen del logotipo de la marca Lenovo. Related questions: Imagine a situation where you bought a used DOOGEE U10 Pro, and a previous owner forgot to log out and remove a Google Account. After a Factory Reset, you will see a message “This device was reset, to continue to sign in with a google account that was previously synced on this device”, it literally means that DOOGEE U10 Pro is completely locked and useless. To access Fastboot mode, Power off the device by holding the Power button. Once you see the option to Power off the device, tap on it. When the device Powers off, press and hold Power button and Volume up simultaneously till you see Lenovo logo. Using Volume keys to navigate, select Fastboot mode and confirm selection with power button. Sie können Ihr Lenovo Tablet mit einem Soft Reset oder einem Hard Reset zurücksetzen. Wie die beiden Methoden funktionieren, zeigen wir Ihnen hier. SHOP. COMMUNITY. English. PC Support > Tablets > M Series tablets > Tab B10 / Tab M10 (HD) / Smart Tab M10 HD Tablet (TB-X505F, TB-X505L, TB-X5. This may be a little bit late but this is how managed to solve the problem. I used the Moto Assistant to reflash the Tab to an older firmware, then I could use exploits to gain access to the tab and re-add my google account (more information how-to on youtube) and then factory reset it through the proper method in security settings. In this tutorial you can check out the simple way of getting access to fastboot mode. Here you can read useful information such as serial number, product num Apr 2, 2018. Solution. #2. Check if any buttons are stuck. That can cause this. Now if none are and if it won't even let you get into "Safe Mode" then the only options left really are a "Hard Reset" or having it looked at by a tech for a hardware issue. In either case you would lose data. AwvCWJ.