How to factory reset VIVO Y91? How to wipe all data in VIVO Y91? How to bypass screen lock in VIVO Y91? How to restore defaults in VIVO Y91?
The following tutorial shows all method of master reset VIVO Y91. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your VIVO Y91 will be as new and your Qualcomm Snapdragon 439 core will run faster.
1. At first switch off the mobile by pressing the Power button for a short while.
2. Then hold down Volume Up and Power keys for a few moments.
3. Release all buttons when you see information about Fastboot Mode.
4. Now choose Recovery Mode. Use Volume Down to navigate and the Power button to confirm that.
5. After that select Wipe data with the Power key.
6. In this menu go to OK –> Back and confirm it with the Power button.
7. At the end select Reboot system by using the Power key.
8. Well done! All your data will be removed from your device.
Vivo Y91 specification:
Vivo Y91 smartphone was launched in January 2019. The phone comes with a 6.22-inch touchscreen display with a resolution of 720×1520 pixels. Vivo Y91 is powered by an octa-core MediaTek Helio P22 (MT6762R) processor. It comes with 2GB of RAM. The Vivo Y91 runs Android 8.1 and is powered by a 4030mAh battery.
As far as the cameras are concerned, the Vivo Y91 on the rear packs a 13-megapixel primary camera with an f/f/2.2 aperture and a second 2-megapixel camera with an f/f/2.4 aperture. It sports a 8-megapixel camera on the front for selfies, with an f/f/1.8 aperture.
The Vivo Y91 runs Funtouch OS 4.5 based on Android 8.1 and packs 32GB of inbuilt storage that can be expanded via microSD card (up to 256GB) with a dedicated slot. The Vivo Y91 is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Vivo Y91 measures 155.11 x 75.09 x 8.28mm (height x width x thickness) and weighs 163.50 grams. It was launched in Ocean Blue and Starry Black colours.
Connectivity options on the Vivo Y91 include Wi-Fi, Bluetooth v5.00, Micro-USB, 3G, and 4G (with support for Band 40 used by some LTE networks in India) with active 4G on both SIM cards. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor. The Vivo Y91 supports face unlock.