XIAOMI setting guideline
1. Setting |
2. SIM cards & Mobile networks |
3. SIM1 |
4. Use VoLTE HD call |
HUAWEI setting guideline
1. Setting |
2. Mobile network |
3. Mobile data |
4. Activate VoLTE calls |
SAMSUNG setting guideline
1. Setting |
2. Collections |
3. Mobile networks |
4. Activate VoLTE |
OPPO setting guideline
1. Setting |
2. Mobile networks |
3. SIM1 |
4. Activate VoLTE HD call |
HONOR Setting guideline
1. Setting |
2. Mobile networks |
3. Mobile data |
4. Activate VoLTE HD call |
VIVO setting guideline
1. Setting |
2. Dual SIMs & mobile network |
3. SIM card info and settings |
4. SIM 1 settings |
4. Activate VoLTE HD cal
5. Activate VoLTE HD call |
REALME setting guideline
1. Setting |
2. Mobile network |
3. SIM & Setting |
4. Activate VoLTE |
ONEPLUS setting guideline
1. Setting |
2. SIM & Data |
3. Activate VoLTE |
NOKIA setting guideline
1. Setting |
2. Network and Internet |
3. Mobile network |
4. Activate 4G LTE |
Notes:
- Please update your mobile system to the latest version, and refer to activation method above.
- When 5G mobiles are in 5G mode and some 4G mobiles have already activated VoLTE by default, there is no need to manually activate VoLTE. For mobiles that have not been set for automatic activation, you can refer to the above settings and activation methods.
- The activation method here is for your reference. According to different models and software version, the actual screen and procedure may be slightly different.