Watch binding failed?
1. Black plus app binding is required2. Confirm whether the mobile phone system meets: Android 5.0 and above, IOS 10.0 and above3. Whether the watch is in the QR code interface. If not, please reset the watch and then scan the code for binding4. Is the Bluetooth of the mobile phone system paired with hey + watch? If yes, please...
Can't search when Binding watch?
1. Whether the watch has been turned on and is in the QR code interface. If not, please reset the watch and then scan the code for binding2. Is Bluetooth on3. Whether the location permission, network permission and Bluetooth permission of black plus app have been opened according to the guidance4. Please try to restart the Bluetooth of the mobile...
How to bind connection app?
1. Download the latest version of heyplus app (scan the QR code of the watch screen to download, or search for heyplus app in the app store and app store)2. Log in / register black plus app3. Click bind Watch4. Scan the QR code of the watch screen, or search the binding manually
The watch is bound, but the app prompts that the connection fails or cannot be connected?
1. Has the app and firmware been updated to the latest version2. Please try to restart the Bluetooth of the mobile phone, press and hold the side key of the watch for 15s, restart the watch, and then reconnect3. Is the Bluetooth of the mobile phone system paired with hey + watch? If yes, please cancel the pairing with the...
Bluetooth connection often disconnected?
1. Whether the distance between the watch and the mobile phone is too far. If it is more than 7 meters away, the effect of Bluetooth connection will be weakened2. Check whether the Bluetooth of the mobile phone is turned off or the power saving mode is turned on3. In order to maintain the always connected state, it is necessary...
"The watch doesn't turn on. Watch black screen"
1. When using the watch for the first time, you need to connect it to the charger and turn it on, or press and hold the key for 2S2. Check whether the watch is dead. It needs to be connected to the charger and turned on3. If the watch is abnormal, press and hold the key for 16S to restart
Firmware upgrade failed
1. Please keep your watch and mobile phone connected closely during the upgrade process2. Please keep the black plus app running in the foreground during the upgrade process3. Please try to restart the Bluetooth of the mobile phone, restart the watch and upgrade again
The core data loss interface appears on the watch
1. After the upgrade fails or other operations, the watch displays the core resource loss interface: core data missing please connect to Hey + app and get recovered. Ver: xx.xx.xx.xx (XX is a number) MAC: XX: XX (XX is the last four digits of the MAC address)2. Please delete this watch on the black plus app and cancel pairing in...
Watch can't receive reminder
If it is an Android phone, please follow the steps below:1. You need to turn on the message reminder notification function in the black app and turn on the notification switch of the corresponding app2. You need to open the notification authority according to the guidance, and select the relevant authority as [always allow]3. It is necessary to keep the...
The watch consumes electricity fast
If it is an IOS phone, please follow the steps below:1. It is necessary to turn on the message reminder notification function in the black plus app and turn on the notification switch of the corresponding app2. You need to pair with the system Bluetooth and allow to open [share system notification]
Watch cannot be charged or charging is abnormal
1. Please press and hold the side key of the watch for 15s to restart, unbind the watch, rebind the watch, charge the watch to 100%, and then continue to observe2. Whether the watch is in constant light mode, which will consume more power3. Check whether there are many messages. You can turn on the do not disturb mode before...
Watch cannot be charged or charging is abnormal
1. The USB charging interface is loose2. The watch is out of position with the charging contact3. The charging line is damaged4. The adapter used for charging is not standard or damaged5. If there are no above problems, please press and hold the side key of the watch for 15s to restart and then try charging
Inaccurate step counting
The step counting algorithm is to calculate the user's steps through the data of the acceleration sensor and a certain algorithm. Some regular movements will be mistakenly counted as step data (continuous wrist activity / vibration, etc.). Feedback can be submitted in the app. If the description is not accurate, we will arrange R & D engineers to continuously optimize.
Inaccurate sleep data
1. Sleep algorithm is to estimate the user's time to get up or go to sleep through a certain algorithm based on the data of heart rate and acceleration sensor, which has a certain error.2. The watch records sleep at night. There are three sleep states: deep sleep, light sleep and awake sleep. It's easier to misjudge sleep when you...
Why does the watch sensor automatically emit green light?
Green light is the watch trying to monitor heart rate. If you turn on the whole day heart rate monitoring, the watch will automatically emit light for detection