Xiaomi Redmi 7A, The 2019 smartphone is still a popular budget smartphone due to its reliability and community support, but over time, even this βunkillableβ device begins to slow down, and official updates from Xiaomi cease to come out. Hardware is one of the most effective ways to return it to its former performance, install a fresh version of Android or even switch to custom firmware with advanced features.
In this article, we will discuss all the current ways of firmware Redmi. 7A (codename pine: from official updates through MIUI Updater before installation TWRP custom ROM Like LineageOS or Pixel Experience, you'll be able to unlock the bootloader without waiting 360 hours, which is a key point for most alternative methods, and you'll learn how to avoid errors (e.g. Error 7 in the first place). TWRP) What to do if your smartphone has become a brickΒ».
1. Firmware Preparation: What to Do Before Starting
Redmi firmware 7A β It's a responsible process, and doing something wrong can cause data loss or even a device to fail:
- π Charge the battery to at least 70%. interruption of the process due to battery discharge is fraught with turning the phone into a brickΒ».
- π± Back up all your important data (photos, contacts, messages) and use Mi Cloud, Google Drive or local copying on your PC.
- π§ Install drivers for Xiaomi on your computer. Download them from the official website or through the Mi Flash Tool.
- π Check the model of the device. Go to the settings. β About the phone and make sure you have a Redmi. 7A (pine, not Redmi 7 or other modification.
Also prepare the necessary tools:
- π» Windows computer 7/10/11 (Mi Flash Tool is best avoided macOS/Linux because of driver problems).
- π Cable USB Type-C (original or quality) cheap cables can cause firmware errors.
- π Firmware (official or custom) β download only from trusted sources (Xiaomi Firmware Updater, XDA Developers).
β οΈ Attention: If your Redmi is 7A purchased in China or has a regional firmware (e.g, CN or IN), After firmware global version (Global) may stop working some functions (for example, NFC or 4G). Check compatibility in advance!
2. Official firmware through MIUI Updater and Mi Flash Tool
The safest way to upgrade to Redmi 7A β built-in MIUI Updater or proprietary utility Mi Flash Tool. This method is suitable if:
- π² You want to stay on the official firmware MIUI.
- π You need to restore the phone after a failure.
- π The device is not unlocked (the boot loader is blocked).
Method 1: Air Update (OTA)
If your smartphone is stable and connected to the Internet, check for updates through:
- Open Settings β About the phone β System update.
- Click Update Checker.
- If you find an update, download it and install it. Make sure the battery is charged!
Method 2: Firmware via Mi Flash Tool (for recovery or downgrade)
If OTA-Update is not available or you need to install a specific version MIUI, Use the Mi Flash Tool:
Download Mi Flash Tool from Xiaomi official website|
Install Qualcomm drivers (if not installed)|
Download firmware in.tgz format for your model (pine)|
Unpack the firmware in a folder without Cyrillic |
Disable driver signatures in Windows (if errors occur)-->
- Download and install the Mi Flash Tool (the latest version can be found on the official website).
- Unpack the archive with the firmware in a folder (for example, C:\MIUI\pine_global_images_...).
- Turn off Redmi. 7A And press the Volume down. + Meals to enter the Fastboot.
- Connect your phone to your PC. In the Mi Flash Tool, press Refresh, the device needs to be determined.
- Select the firmware folder and press Flash. For a clean installation, select Clean all (delete all data!).
| Type of firmware | Download link | Features |
|---|---|---|
| MIUI Stable (Global) | Official website | Suitable for everyday use, minimal bugs |
| MIUI Beta (Global) | Xiaomi.EU | New features, but possible errors |
| MIUI Chinese (CN) | Miui.com | Without Google Services, More Features for China |
| Fastboot firmware (for Mi Flash) | Firmware Updater | Complete recovery package via Fastboot |
β οΈ Note: If critical partition flashing is not allowed when you are running through the Mi Flash Tool, your bootloader is locked).
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The firmware through the Mi Flash Tool erases all data on the device. If you need to save files, pre-backup through the Mi Cloud or the Mi Cloud. TWRP (if established).
3. Unlock the bootloader: bypass the 360-hour timer
By default, Redmi. 7A It has a locked bootloader, which protects it from unauthorized changes. TWRP The official way Xiaomi is going to wait 360 hours (15 days!) after you have linked your account.
Official method (with waiting):
- Link your Mi Account to your device in Settings β Xiaomi Account.
- Enable Developer Options (7 times click on the MIUI version in About Phone).
- Activate OEM Unlock and USB Debugging in Settings β Additional β For Developers.
- Download Mi Unlock Tool from the official website.
- Launch the utility, log in to your account, and connect your phone in Fastboot mode, and it starts counting down to 360 hours.
Informal method (no waiting time):
If you donβt want to wait 15 days, you can use alternative tools like XiaomiTool. V2 Or Fastboot Scripts. These methods require:
- π₯οΈ Computer with ADB and Fastboot.
- π Debugging authorization USB.
- π‘ Stable Internet connection (for downloading scripts).
fastboot oem unlock-goThis command can work on some versions. MIUI, But it doesn't guarantee 100% results. A more reliable way is to use it. EDL-Emergency download mode, but it requires an authorized Xiaomi account and a special cable.
What happens if you break the unlock?
4. Installation of custom TWRP Recovery
TWRP (Team Win Recovery Project is an alternative recovery that allows custom firmware to be installed, backups made and system repairs. For Redmi 7A There is an unofficial assembly TWRP, As there is no official support.
Steps to install TWRP:
- Download the latest version TWRP pine-c XDA Developers (e.g., developers, twrp-3.7.0_9-0-pine.img).
- Move the file to the folder with ADB and rename it in twrp.img.
- Connect your phone in Fastboot mode and execute the command: fastboot flash recovery twrp.img
- Immediately after the firmware reboot to TWRP: fastboot boot twrp.img (It's important, otherwise the standard recavery will re-record. TWRP!)
In TWRP, you can:
- π Make full backups (Nandroid Backup) of all sections.
- π§ Install custom firmware and cores.
- π§Ή Clear partitions (Dalvik Cache, Data, System).
- π Restore the device from the backup.
β οΈ Note: On some versions MIUI post-installation TWRP There may be an error OrangeFox/TWRP cannot mount data. Solution: format the data partition into F2FS or ext4 (firmware-dependent).
π‘
Before installing custom firmware through TWRP Turn off signature verification in the settings of the recovery (Settings) β Disable DM-Verity: This will prevent you from getting stuck in the logo after you reboot.
5. Install custom firmware: LineageOS, Pixel Experience and others
If you're not happy with it. MIUI, You can install custom firmware based on Android (for example, LineageOS, Pixel Experience, HaventOS:
- π More recent version of Android (such as Android) 12/13 Instead of standard Android 9 Pie).
- π Better performance and optimization.
- π¨ Clean Android without unnecessary Xiaomi apps.
- π Regular security updates.
Step-by-step instructions for installing custom firmware:
- Install. TWRP (see previous section).
- Download firmware (like LineageOS 20 for pine) and GApps (if you need Google services) from OpenGApps.
- Reboot to TWRP And make a full backup. β Select All Partitions).
- Perform Wipe: Wipe β Advanced Wipe β Select Dalvik, System, Data, Cache β Swipe to Wipe
- Install firmware and GApps: Install β Select a firmware file β Swipe to Confirm Flash Install β Select GApps β Swipe to Confirm Flash
- Reboot β System: The first boot can take 10-15 minutes.
| Firmware | Android version | Reference | Features |
|---|---|---|---|
| LineageOS | 12/13 | XDA | Stable, minimalistic, without unnecessary applications |
| Pixel Experience | 13 | XDA | Google Pixel interface, good optimization |
| HaventOS | 12 | XDA | Maximum customization, many themes and settings |
| crDroid | 12 | XDA | Balance between performance and functionality |
Common mistakes and their solutions:
- π΄ Error 7 in TWRP: It means that the firmware is not suitable for your model.
- π΄ Logo hover: DM-Verity probably not disabled. TWRP and turn it off.
- π΄ No network after firmware: Set the right modem modem modem modem modem modems or check firmware compatibility with your region.
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Before installing custom firmware, check the reviews on the forum XDA. Some builds may have problems with the camera, Wi-Fi or battery.
6.Brick Recovery: What to Do If Your Phone Doesn't Turn On
If after a failed firmware Redmi 7A It's stopped turning on (called the "brick"), don't panic. Most of the time, it can be restored:
- π§± Soft-brick: phone vibrates, logo burns, but does not boot into the system.
- π§± Hard-brick: the device does not respond to buttons, is not determined by the computer.
Soft-brick solutions:
- Try going to Fastboot (Loudness Down). + Food (or Recovery) (Loudness up) + Nutrition).
- If there is. TWRP, Reinstall the working firmware.
- If TWRP no, run the official firmware through the Mi Flash Tool (select Clean all and lock for full recovery).
Hard-brick solutions:
If the phone does not respond to any combination of buttons and is not determined in Fastboot, you will need firmware through the phone. EDL-The Emergency Download Mode (ED) is the mode for this:
- Download Mi Flash Pro and firmware in.mbn format (for example, with Firmware Updater).
- Connect your phone to your PC with the Volume Up button clamped + Loudness down (needs special) EDL-cable).
- In Mi Flash Pro, select the firmware and press Flash. 5-10 minute.
β οΈ Attention: Firmware through EDL Requires an authorized Xiaomi account (for new devices).If you do not have one, contact the service center - self-attempts can lead to the complete loss of the device.
How do you do it? EDL-cable?
7. Post-Firmware Optimization: How to Speed Up Redmi 7A
After successful firmware (especially custom) Redmi 7A It can work faster, but for maximum performance is recommended:
- β‘ Disable animation: in Settings β The phone. β Build number (5 times click to activate developer mode), then in Settings β For developers install: Animation windows: 0.5x Animation of transitions: 0.5x Duration of the animator: 0.5x
- π§Ή Clear the cache: in TWRP Choose the Wipe β Advanced Wipe β Dalvik/ART Cache + Cache.
- π Optimize the battery: disable background activity of unnecessary applications in Settings β Battery β Optimizing the battery.
- π οΈ Use cores and mods: For custom firmware, you can install cores like FrancoKernel or Perseus for better performance.
Recommended applications for optimization:
- π Greenify β for hibernation of background applications.
- π SD Maid β for cleaning garbage and duplicates.
- π AccuBattery β to monitor the status of the battery.
- π― Kernel Adiutor β for fine-tuning the kernel (routed devices only).
π‘
If after the customization ROM Check the Background Process Limit settings in Developer Mode. Set the Standard Limit or At most 2 processes.