The Xiaomi Mi Max 2 (codename oxygen), launched in 2017, was a legendary phablet celebrated as a true “battery monster” and a media consumption king. It was built around two core features: a massive, immersive 6.44-inch display and a colossal 5300 mAh battery that offered multi-day endurance. As a significant upgrade over its predecessor, the Mi Max 2 featured a more premium unibody metal design and the incredibly power-efficient Qualcomm Snapdragon 625 chipset. For enthusiasts looking to maintain this classic device, this page provides official fastboot ROMs for China and Global, the popular Xiaomi.eu custom ROM, and the TWRP custom recovery needed for advanced modifications.
Important: You must verify your device is a Mi Max 2 (oxygen). This firmware is not compatible with the original Mi Max (hydrogen/helium) or the later Mi Max 3 (nitrogen). Flashing the wrong firmware will hard brick your phone.
Quick Device Specs
- Device: Xiaomi Mi Max 2 (oxygen)
- Release year: 2017
- Chipset: Qualcomm Snapdragon 625
- Display: 6.44″ IPS LCD
- Battery: 5300 mAh, 18W fast charging
- Original MIUI: Android 7.1.1 (Nougat), MIUI 9
Required Downloads
| File / Tool | Download Link |
|---|---|
| Xiaomi Mi Flash Tool | Download Latest Version |
| Xiaomi USB Drivers | Included with Mi Flash Tool |
| Bootloader Unlock Tool | Official Mi Unlock Page |
Official & Custom ROMs / Recovery
| Region | Build | Android | Type | Download | Codename |
|---|---|---|---|---|---|
| China | V11.0.2.0.NDDCNXM | 7.1 | Official Fastboot ROM | Download | oxygen |
| Global | V11.0.2.0.NDDMIXM | 7.1 | Official Fastboot ROM | Download | oxygen |
| Xiaomi.eu (Custom) | V10.3.1.0.NDDCNXM (Based) | 7.1 | Custom Recovery ROM | Download | oxygen |
| TWRP (Custom Recovery) | 3.2.3 | — | Custom Recovery | Download | oxygen |
How to Flash Official ROM (Mi Flash Tool)
Use this method to unbrick your phone or restore official MIUI firmware.
- Boot into Fastboot mode (Power + Volume Down).
- Extract the official firmware (.tgz file) and select the main folder containing the
/imagesdirectory in Mi Flash Tool. - Select clean all for a safe installation (you can use clean all and lock to return to a fully stock, locked state).
How to Install TWRP & Flash Custom ROMs
Use this method to install the Xiaomi.eu custom ROM or other community-developed ROMs.
What is TWRP? TWRP (Team Win Recovery Project) is a powerful custom recovery that replaces your phone’s limited stock recovery. It is the essential tool that allows you to install custom software (.zip files), create full backups of your system (a “Nandroid”), and perform other advanced maintenance. The official ROMs on this page do not require TWRP.
Disclaimer: This is an advanced process. Proceed at your own risk.
- Unlock the Bootloader: This is a mandatory first step. Use the official Mi Unlock Tool.
- Flash TWRP:
- The TWRP download is a
.raror.ziparchive. Extract it first to find therecovery.imgfile. - Boot your phone into Fastboot mode (Power + Volume Down) and connect it to your PC.
- Using ADB & Fastboot tools on your PC, flash the recovery
.imgfile with the command:
fastboot flash recovery recovery-filename.img
- The TWRP download is a
- Boot into TWRP: After flashing, immediately boot into recovery by holding Power + Volume Up.
- Install Custom ROM:
- In TWRP, it’s recommended to first go to “Wipe” and select “Format Data” to prevent encryption issues.
- Transfer the Xiaomi.eu .zip ROM file to your phone.
- In TWRP, tap “Install,” locate the xiaomi.eu…zip file, and swipe to confirm the flash.
- Reboot your system once the installation is complete.
FAQs
Q1. What was the main appeal of the Mi Max 2?
Its two signature features were the gigantic 6.44-inch screen and the colossal 5300 mAh battery. This combination made it an unparalleled device for watching videos, browsing, and reading, often lasting two days or more on a single charge.
Q2. What were the main upgrades in the Mi Max 2 over the original Mi Max?
The Mi Max 2 featured a more premium, full-metal unibody design, a more power-efficient Snapdragon 625 chipset (which further improved battery life), a larger battery (5300mAh vs 4850mAh), and fast charging support.
Q3. Can I flash a Mi Max 3 (nitrogen) ROM on this device?
No, absolutely not. The Mi Max 3 has a different processor, a larger 18:9 screen, and completely different hardware. Their firmwares are not interchangeable, and cross-flashing will brick your device.
Q4. Why did the Mi Max 2 stop receiving updates at Android 7.1 Nougat?
The Mi Max 2 launched with Android 7.1 and, following the standard support cycle for mid-range devices of that era, it did not receive a major Android OS version upgrade. It did, however, receive MIUI skin updates up to MIUI 11.
Troubleshooting
- Pre-flashing Checklist:
- Have you backed up all important data from your phone?
- Is your phone’s battery charged to at least 50%?
- Have you installed the correct Xiaomi USB drivers on your PC?
- Are you absolutely sure you downloaded the correct firmware for oxygen?
- Common Flashing Errors:
- “error: not catch checkpoint” or “Flash system error” → This almost always means you have selected the wrong folder in Mi Flash Tool. Make sure you have selected the main folder that contains the images sub-folder, not the sub-folder itself.
- Device is not detected in Fastboot → Ensure drivers are correctly installed. Try a different USB port (preferably a USB 2.0 port on the back of a desktop PC) and a high-quality data cable. Run Mi Flash Tool as an administrator.
- TWRP Issues:
- TWRP asks for a password → This means your phone’s storage is encrypted. The standard fix is to go to the “Wipe” menu in TWRP and choose “Format Data”. This will erase everything on your internal storage.
- Stuck on boot after flashing → If the phone doesn’t boot up after flashing a custom ROM, reboot to TWRP, perform a full wipe (Cache, Dalvik, System, Data), and then re-flash the ROM .zip file.
