Q1. Can I use this firmware on my Acer One 7 B1-780?

Absolutely not. The B1-770 (MediaTek MT8127) and B1-780 (MediaTek MT8163) are different devices. Flashing firmware meant for one model onto the other will cause a hard brick, potentially rendering the device unrecoverable.

Q2. Will this fix a "Status 7" error in recovery?

No. A "Status 7" error typically means your tablet's system has been modified (e.g., rooted or a system file was changed). OTA updates require a 100% stock, unmodified system to install. To fix this, you would need to find a full scatter-based firmware and flash it with SP Flash Tool to completely restore the stock partitions.

Q3. Is this an upgrade to Android 6.0 Marshmallow?

No, this is the official Android 5.0 Lollipop firmware for the B1-770. This model did not receive an official update to Android 6.0 from Acer.

Acer One 7 (B1-770) Stock Firmware (OTA ROM)

The Acer One 7 (model B1-770) is a 7-inch budget tablet from 2016 running Android Lollipop. It’s a capable device for light tasks, but over time, software issues like system lag, application crashes, or failure to boot (bootloop) can occur. Re-installing the official stock firmware is the most effective way to fix these problems and restore the tablet to its original, stable condition.

Crucial Note: This firmware is specifically for the B1-770 model. Do NOT attempt to flash this on any other model, including the similar-looking B1-780, as they use different chipsets and flashing the wrong file will brick the device. This is an OTA package designed for installation via stock recovery.

⚠️ Prerequisites: Before You Begin

Click Here for the Essential Pre-Flashing Checklist

Backup Your Data: It is strongly recommended to back up all personal data. A factory reset might be necessary to resolve the underlying issue, which will erase everything.
Charge Your Device: To prevent accidental shutdown, ensure the tablet’s battery is charged to at least 50%.
Use a MicroSD Card: You will need a reliable, formatted microSD card to transfer the firmware file to the tablet.

📱 Quick Device Specifications

Device: Acer One 7 (B1-770)
Release Year: 2016
Chipset: MediaTek MT8127
Display: 7.0″ LCD (600×1024)
Battery: 2780 mAh (Non-removable)
OS: Android 5.0 (Lollipop)
Special Features: Quad-Core CPU, Mali-450MP4 GPU, MicroSD Slot

⬇️ Acer One 7 (B1-770) Stock ROM / Firmware

Version	Android	Region	Type	Download	Size
RV00RC12	5.0 (Lollipop)	WW.GEN1 (Global)	OTA Update (Recovery Flashable)	MediaFire	546 MB

⚡ Quick Flashing Guide

Download the firmware ZIP file and copy it to the root directory of your microSD card. Do not extract the file.
Power off the tablet completely, then boot into recovery mode by pressing and holding the Power + Volume Up buttons.
Use the Volume keys to navigate and the Power button to select “Apply update from SD card”.
Choose the firmware ZIP file to begin the installation, and select “Reboot system now” once the process is complete.

For a more comprehensive walkthrough on installing OTA updates, please see our full guide:
👉 Full Tutorial: How to Manually Install Official OTA Updates

❓ Frequently Asked Questions (FAQs)

Q1. Can I use this firmware on my Acer One 7 B1-780?: Absolutely not. The B1-770 (MediaTek MT8127) and B1-780 (MediaTek MT8163) are different devices. Flashing firmware meant for one model onto the other will cause a hard brick, potentially rendering the device unrecoverable.
Q2. Will this fix a “Status 7” error in recovery?: No. A “Status 7” error typically means your tablet’s system has been modified (e.g., rooted or a system file was changed). OTA updates require a 100% stock, unmodified system to install. To fix this, you would need to find a full scatter-based firmware and flash it with SP Flash Tool to completely restore the stock partitions.
Q3. Is this an upgrade to Android 6.0 Marshmallow?: No, this is the official Android 5.0 Lollipop firmware for the B1-770. This model did not receive an official update to Android 6.0 from Acer.

🔧 Device-Specific Troubleshooting

Stuck on Acer Logo After Flashing: If the update completes but the tablet gets stuck on the boot animation, boot back into recovery mode (Power + Vol Up) and perform a “Wipe cache partition.” If the problem persists, you must perform a “Wipe data/factory reset,” which will erase all your personal data but will likely solve the issue.
“Signature verification failed” Error: This error message in recovery points to a corrupted download. The file integrity check has failed. Please download the firmware file again and ensure it transfers completely to your microSD card.
Unable to Access Recovery: If the tablet won’t boot into recovery mode, its recovery partition may be damaged. You cannot use this OTA method in that case. The only alternative is to find a full SP Flash Tool compatible firmware to reinstall all partitions, including recovery.
Poor Performance: A clean flash can improve speed by removing junk files. However, with 1GB of RAM, the B1-770’s performance with modern apps will be limited. After flashing, avoid installing too many apps that run in the background to maintain usability.