The Acer One 7 (model B1-790) is a basic, entry-level Android tablet from 2016 designed for simple media consumption and web browsing. It features a compact 7-inch display and is powered by a MediaTek MT8321 processor. This guide provides an official OTA (Over-The-Air) update package to allow users to manually update their tablet to fix bugs or improve system stability.
Important: This is an OTA update file, not a full unbrick package. It is designed for updating a functioning tablet that can boot into recovery mode. This process will not wipe your data, but a backup is always highly recommended before any software installation.
Quick Device Specs
- Device: Acer One 7 (B1-790)
- Release year: 2016
- Chipset: MediaTek MT8321
- Display: 7.0″ TFT, 600 x 1024 pixels
- Battery: 2780 mAh
- Original OS: Android 6.0 (Marshmallow)
Required Downloads
For the advanced ADB Sideload method, you will need the official ADB tools. You can find the downloads for this in our main guide linked below.
- ADB & Fastboot Platform-Tools (for ADB Sideload method)
- A microSD Card (for Local Update method)
Official OTA Update Package
| Region / Carrier | Build | Type | Download |
|---|---|---|---|
| WorldWide Generic | RV02RC02W | Official OTA Zip | Download |
How to Manually Install OTA Updates
Manually installing an OTA update on your Acer One 7 tablet is a simple process for a working device. The easiest method is to place the downloaded OTA .zip file onto a microSD card, then boot into the tablet’s stock recovery mode and select the “Apply update from SD card” option. This will install the official update without erasing your data.
For detailed, step-by-step instructions for both the SD Card and the more advanced ADB Sideload methods, please follow our comprehensive pillar guide: How to Manually Install Official OTA Updates on Android.
Device-Specific Troubleshooting for Acer One 7 (B1-790)
- “Update Verification Failed” or “Installation aborted”: This is the most common error. It means the OTA package is not compatible with your current software. This can happen if you are trying to install a generic update over a carrier-specific version, if your system has been modified (e.g., rooted), or if you are trying to skip a required intermediate update.
- This is NOT an Unbrick File: An OTA
.zipfile is designed to update a device that can boot into its recovery mode. If your tablet is hard-bricked (won’t turn on), you need a different type of firmware (a full SP Flash Tool package) and a different flashing method. This file will not fix a dead device. - Performance Issues: The Acer One 7 has very basic hardware (1GB RAM). If your tablet is running very slowly, this update may help with stability. However, for a significant performance boost, a full factory reset (from settings or recovery) is the best option as it clears out all accumulated junk files that slow the tablet down.
- Insufficient Storage Error: The update will fail if there isn’t enough free room for the system to download and unpack the update file. Make sure you have at least 1-2 GB of free space before starting, or use the recommended SD card method.
FAQs
Q1. My tablet is stuck on the Acer logo. Can I use this file?
Maybe. If you can still boot your tablet into recovery mode (by holding Power + Volume Up), you can attempt to flash this OTA file. If you cannot get to recovery mode, then your device is likely bricked and you will need a full unbrick ROM and a different flashing method (SP Flash Tool).
Q2. Will this update erase my data?
No, a standard OTA update does not wipe your personal data. However, it is always a good practice to back up important files before any software update, just in case.
Q3. Do I need to unlock the bootloader to install this update?
No, official OTA files are signed by the manufacturer and can be installed on a device with a locked bootloader using the stock recovery.
Q4. What is an OTA file?
An OTA (Over-The-Air) file is an update package provided by the manufacturer to upgrade a working device from one software version to another. It is not a full firmware package and cannot be used to unbrick a dead device.
