![atc1441 on Twitter: "Very proud!, but also exhausted, to announce that a custom firmware is now running on the Xiaomi Mi Band 4 😁 There is much more to be reversed! 📽 atc1441 on Twitter: "Very proud!, but also exhausted, to announce that a custom firmware is now running on the Xiaomi Mi Band 4 😁 There is much more to be reversed! 📽](https://pbs.twimg.com/media/FMACVsOWYAEKrHH.jpg:large)
atc1441 on Twitter: "Very proud!, but also exhausted, to announce that a custom firmware is now running on the Xiaomi Mi Band 4 😁 There is much more to be reversed! 📽
![Can downgrade firmware of miband 4 ? I want to install this custom FW but the resources is only on v89 and my firmware need v92. Can downgrade using the official v89 Can downgrade firmware of miband 4 ? I want to install this custom FW but the resources is only on v89 and my firmware need v92. Can downgrade using the official v89](https://preview.redd.it/bs722vaas6u41.jpg?auto=webp&s=3c9121fe0070b225869f289ceed8c2b200740c8a)
Can downgrade firmware of miband 4 ? I want to install this custom FW but the resources is only on v89 and my firmware need v92. Can downgrade using the official v89
![I hacked MiBand 3, and here is how I did it Part II — Reverse Engineering to upload Firmware and Resources Over the Air – Yogesh Ojha | reNgine | Cyber Security I hacked MiBand 3, and here is how I did it Part II — Reverse Engineering to upload Firmware and Resources Over the Air – Yogesh Ojha | reNgine | Cyber Security](https://miro.medium.com/max/415/1*JxFcZNtsH9ZXH2ZN64VggQ.png)
I hacked MiBand 3, and here is how I did it Part II — Reverse Engineering to upload Firmware and Resources Over the Air – Yogesh Ojha | reNgine | Cyber Security
![Mi Band 4 Stock Android Custom ROM | How to Flash Custom Theme on Mi Band 4 | Stock Android Mi Band - YouTube Mi Band 4 Stock Android Custom ROM | How to Flash Custom Theme on Mi Band 4 | Stock Android Mi Band - YouTube](https://i.ytimg.com/vi/haIsW8PzEkI/maxresdefault.jpg)
Mi Band 4 Stock Android Custom ROM | How to Flash Custom Theme on Mi Band 4 | Stock Android Mi Band - YouTube
![Mi Band 4 Custom Firmware | How To Flash Custom Firmware | Apple Watch IOS Theme | New Icons - YouTube Mi Band 4 Custom Firmware | How To Flash Custom Firmware | Apple Watch IOS Theme | New Icons - YouTube](https://i.ytimg.com/vi/WX_TaysbiyE/maxresdefault.jpg)