Tutorial FAQ - Mi Band 3 & 4 | Flash Firmware, Pair problem with Mi Fit, ...

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MagicalUnicorn

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Here are grouped the various current problems and their solutions
(With time FAQ will be updated)
How to flash Firmware | Resources | Font ?
For iOS users:
1. Download firmware/resources files to any cloud service: iCloud, Drive, Dropbox, other.
2. Close (kill) Mi Fit app.
3. Open Mi Heart Rate app: ‎Mi Heart rate - be fit
4. Tap "Connect new Mi Band" and select your band from the list.
5. Go to menu and select "Firmware update".
6. Tap "Select own file".
7. Select file you downloaded and confirm you want to do the update.
8. After update is done Mi Band will restart and will be black and unresponsive for 20-30 seconds. Than it will come back and you can use it normally in any app.
9. If you see "Connect to app" message after firmware update you have to update resources to the one working with your firmware. Look it up on this forum.

Video Tutorial:


For Android OS users:
Activate visibility option in Mi Fit (Work without activate this option for me).
Open Notify and Fitness for Mi Band.
Accept localisation authorization (Pass "import save", "authorize access at notifications").
Expand the menu with icon at left top, and go in "Settings".
Scroll down in "Basics" tab, and at "Mi Band firmware version" tap on "Update".
Accept the required authorization.
Choose "Custom firmware" and choose your Firmware | Resources | Font file.
Tap on "Start update".
After update theMi Band 3 will reboot (Firmware only).
Mi Fit will connect automatically at your Mi Band 3.
Uninstall Notify and Fitness for Mi Band.
Activate visibility option in Mi Fit (Work without activate this option for me).
Unpair Mi Band from Mi Fit.
Activate GPS (and Bluetooth).
Open GagdetBridge and start Scan.
Choose your Mi Band 3 (Then, you have to touch your Mi Band 3 to pair).
Open files explorer, choose Firmware | Resources | Font file and flash it.
After update the Mi Band 3 will reboot (Firmware only).
Unpair your Mi Band 3 from GadgetBridge (In GadgetBridge home tap on Mi Band 3, and on trash to delete it).
Pair your Mi Band 3 to Mi Fit.

How to recover the screens disappeared after flash ?
Unpair your Mi Band 3 from GadgetBridge (In GadgetBridge home tap on Mi Band 3, and on trash to delete it).
Pair your Mi Band 3 to Mi Fit.

Mi Band 3 is already paired at Mi Fit :
Unpair and Pair your Mi Band 3 to Mi Fit.

How to solve impossible connection between Mi Fit and your Mi Band 3 ?
★ First, read "How to flash Firmware | Resources ?".

★ Not unpaired from Mi Fit before flash :
In Mi Fit, go to "Profile", "Mi Band 3", and unpair (At bottom).
Close Mi Fit.
Desactivate/re-activate Bluetooth and GPS.
Open Mi Fit.
Pair your Mi Band 3 to Mi Fit.

★ Procedure followed but impossible to pair with any application:
Uninstall GadgetBridge.
Uninstall Mi Fit.
Activate GPS.
Install Fix-it for Mi Band 2.
Open it and follow the instructions.
Go in "Phone Settings" -> "Applications" -> "Bluetooth" and delete all data.

How to solve "Connect to app to update" message on Mi Band 3 ?
Update resources to corresponding version.
★ Firmwares informations : Original Firmwares.
Resources.

Why the Mi Fit firmware auto-update after custom firmware flash ?
★ If the firmware version included in Mi Fit is higher than version of firmware flashed, Mi Fit will auto-update firmware at connection. (You can't disable auto-update).
★ Firmwares informations : Original Firmwares.
Mi Fit.

How to solve "???" instead of the weather informations on Mi Band 3 & Mi Band 4 ?
Install Modified Mi Fit (Look the sticky Modified Mi Fit thread).

★ English phone system language (Only solution for Iphone users).

Contact name not appear for messages and calls ?
Modified Mi Fit (Look the sticky Modified Mi Fit thread).
★ English phone system language.
Notify & Fitness for Mi Band.
Tools & Mi Band.

How to solve impossibility to sign-in in Mi Fit (Official) ?
Download a VPN (Virtual Private Network) application from Play Store : VPN China - Free.
Open application, choose China localization and activate VPN.
Sign-in in Mi Fit.

Font files from Original Mi Fit :
Font Files (Mili_wuhan.ft.kj is only for Korean and Japanese languages).

And don't forget read and respect Forum Rules :).
 

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