In the left corner of the unlock interface, there should be "Forgotten the password". Click it. Now input your Google Account password and the LENOVO Tab M10 should be unlocked. You can also Hard Reset LENOVO Tab M10 using Android Recovery Mode. Alternatively use Google Find My Device app to unlock LENOVO Tab M10 without PIN or pattern. To restart a Lenovo tablet that has frozen, plug in the power adapter and press the power button. Continue to hold the power button for at least 20 seconds and then disconnect the adapter. You should then press the power button for an additional 20 seconds and reinsert the power adapter. At that point, it should start normally. Part 2. Other Tools to Fix Fastboot Mode Stuck. Getting stuck on android fastboot mode usually happens to those with a rooted device. No matter when Asus tablet stuck in fastboot mode or stuck in Oneplus fastboot mode, here are some other ways that you can try to fix Android Stuck in fastboot mode. 1. Android Multi Tools We gathered here firmware for the Lenovo device. Check out if your flash files are available. By using the below firmware you can update / upgrade / change firmware in LENOVO Smart Tab M10 HD Wi-Fi. Sometimes you can also use it for bypassing the Google verification (Unlock FRP). Model. Firmware name. Android. Check out more info about LENOVO Tab P11: 1. First turn off the tablet. 2. Next press and hold "Power" until you see the manufacturers logo on the screen, then release the power button. 3. "Quickly" press "Volume Down" and hold it for Steps to Unlock Bootloader via ADB & Fastboot. Head over to the Settings menu on your Lenovo device. Go to the bottom of the page and tap on System. Tap on About Phone > Scroll down to the bottom of the page. Tap on IMEI Information > Here you’ll see the IMEI 1 & 2 of your device. Follow these steps to perform a hard reset on your Lenovo Tab M10 Plus (3rd Gen) and reset your tablet to factory default settings. Turn off your tablet. Press and hold Volume up + Home + Power buttons simultaneously till the device logo appears. After the device logo , release Power button but hold the others a few more seconds. ZLHMfZ.