VoLTE

 

What is VoLTE

VoLTE  (Voice Over LTE) is the voice calls service transmitted via 4G network, you can enjoy more stable & high-speed voice call! CTM customers can enjoy FREE VoLTE Service by holding a handset that has activated the VoLTE function, to enjoy better call experience!

 

Advantages of VoLTE

1.      Stable connection, better voice quality

2.      Fast connection, shorten call waiting time

3.      Two-line operation, you can use data to online while making a call

 

How to use VoLTE

1.          Need a mobile phone that supports VoLTE function

2.          Upgrade the phone system to the latest version

3.          Activate the phone's VoLTE function

 

VoLTE iOS Usage Guideline

1.      Click " Mobile " in " Settings "

2.      Click  " Primary "

3.      Click " Voice & Data "

4.      Activate " VoLTE "

 

VoLTE Android Usage Guideline

1.      Click " SIM cards & mobile networks " in " Settings "

2.      Click " CTM "

3.      Activate " Use VoLTE"

For more Android models’setting and activation procedure, please refer to detail information

 

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.

 

Handsets support VoLTE

iPhone 16e

iPhone 13 Pro Max

iPhone Xs Max

iPhone 16 Pro Max

iPhone 13 Pro

iPhone Xs

iPhone 16 Pro

iPhone 13 Mini

iPhone X

iPhone 16 Plus

iPhone 13

iPhone 8 Plus

iPhone 16

iPhone SE (2nd Gen)

iPhone 8

iPhone 15 Pro Max

iPhone 12 Pro Max

iPhone 7 Plus

iPhone 15 Pro

iPhone 12 Pro

iPhone 7

iPhone 15 Plus

iPhone 12 Mini

iPhone 6

iPhone 15

iPhone 12

iPhone 6s

iPhone 14 Pro Max

iPhone 11 Pro Max

iPhone 6 Plus

iPhone 14 Pro

iPhone 11 Pro

iPhone 6s Plus

iPhone 14 Plus

iPhone 11

iPhone SE

iPhone 14

  

 

Samsung Galaxy S25 edgeSamsung Galaxy A80Samsung Galaxy Z Flip 7

Samsung Galaxy S25

Samsung Galaxy A71Samsung Galaxy Z Flip 6
Samsung Galaxy S25 UltraSamsung Galaxy A70Samsung Galaxy Z Flip 5
Samsung Galaxy S25+Samsung Galaxy A60Samsung Galaxy Z Flip 4

Samsung Galaxy S24

Samsung Galaxy A56Samsung Galaxy Z Flip 3
Samsung Galaxy S24 UltraSamsung Galaxy A55 Samsung Galaxy Z Flip
Samsung Galaxy S24+Samsung Galaxy A54 Samsung Galaxy Z Fold 7
Samsung Galaxy S23Samsung Galaxy A52Samsung Galaxy Z Fold 6
Samsung Galaxy S23 FESamsung Galaxy A51Samsung Galaxy Z Fold 5
Samsung Galaxy S23 UltraSamsung Galaxy A50sSamsung Galaxy Z Fold 4
Samsung Galaxy S23+Samsung Galaxy A42Samsung Galaxy Z Fold 3
Samsung Galaxy S22Samsung Galaxy A40sSamsung Galaxy Z Fold 2
Samsung Galaxy S22 UltraSamsung Galaxy A36Samsung Galaxy Fold
Samsung Galaxy S22+Samsung Galaxy A35 Samsung Galaxy Tab A7 10.4
Samsung Galaxy S21Samsung Galaxy A34 Samsung Galaxy Tab S10+
Samsung Galaxy S21 UltraSamsung Galaxy A32Samsung Galaxy Tab Ultra
Samsung Galaxy S21+Samsung Galaxy A31Samsung Galaxy Tab S9
Samsung Galaxy S20Samsung Galaxy A25 Samsung Galaxy Tab S9 FE
Samsung Galaxy S20 FESamsung Galaxy A23 Samsung Galaxy Tab S9+
Samsung Galaxy S20 UltraSamsung Galaxy A22Samsung Galaxy Tab S8 Ultra
Samsung Galaxy S20+Samsung Galaxy A21sSamsung Galaxy Tab S8+
Samsung Galaxy S10eSamsung Galaxy A20sSamsung Galaxy Tab S8
Samsung Galaxy S10Samsung Galaxy A20Samsung Galaxy Tab S7+
Samsung Galaxy S10+Samsung Galaxy A16Samsung Galaxy Tab S7 FE
Samsung Galaxy S9Samsung Galaxy A15 Samsung Galaxy Tab S7 LTE
Samsung Galaxy S9+Samsung Galaxy A14 Samsung Galaxy NOTE 20 Ultra
Samsung Galaxy S8Samsung Galaxy A13 Samsung Galaxy NOTE 20
Samsung Galaxy S8+Samsung Galaxy A12Samsung Galaxy NOTE 10 Lite
Samsung Galaxy S7Samsung Galaxy A9Samsung Galaxy NOTE 10
Samsung Galaxy S7 edgeSamsung Galaxy A8sSamsung Galaxy NOTE 10+
Samsung Galaxy S6Samsung Galaxy A8+Samsung Galaxy NOTE 9
Samsung Galaxy S6 edgeSamsung Galaxy A7Samsung Galaxy NOTE 8
Samsung Galaxy S6 edge+Samsung Galaxy M34 Samsung Galaxy NOTE 5
Samsung Galaxy S5Samsung Galaxy C9 ProSamsung Galaxy NOTE 4
 Samsung Galaxy C7 ProSamsung Galaxy NOTE 3 LTE
 Samsung Galaxy C7 

 

Huawei Pura 80 Ultra

Huawei Pura 70 Ultra

Huawei Nova 13 Pro

Huawei Pura 80 Pro

Huawei Pura 70 Pro

Huawei Nova 13

Huawei Pura 80

Huawei Pura 70

Huawei Nova 12S

Huawei Mate X6

Huawei P60 ProHuawei Nova 12l

Huawei Mate X5

Huawei P50 ProHuawei Nova 12 SE

Huawei Mate X3

Huawei P50 PocketHuawei Nova 11i

Huawei Mate XS 2

Huawei P40 Pro+Huawei Nova 10 Pro

Huawei Mate XT

Huawei P40 ProHuawei Nova 10 SE

Huawei Mate 60 Pro

Huawei P40Huawei Nova 10

Huawei Mate 50 Pro

Huawei P30 Pro Huawei Nova 9

Huawei Mate 50

Huawei P30 Lite

Huawei Nova 7 SE
Huawei Mate 40 ProHuawei P30Huawei Nova 7i

Huawei Mate 30 Pro

Huawei P20 ProHuawei Nova 7

Huawei Mate 30

Huawei P20 LiteHuawei Nova 5T

Huawei Mate 20 Pro

Huawei P20Huawei Nova 4

Huawei Mate 20X

Huawei Y9s

Huawei Nova 3i

Huawei Mate 20

Huawei Y9 Prime (2019)Huawei Nova 3

Huawei Mate 10 Pro

Huawei Y9 2019Huawei Nova 2i

Huawei Mate 10

Huawei Y7 Prime (2018) 

Huawei Mate 9 Pro

Huawei Y7 Pro 2019 

Huawei Mate 9

Huawei Y6P 

 

HONOR 300 PROHONOR MAGIC 5 PROHONOR X6
HONOR 200HONOR MAGIC 6HONOR X6A
HONOR 200 LITEHONOR MAGIC 6 PROHONOR X7A
HONOR 200 PROHONOR MAGIC 7 PROHONOR X7B
HONOR 200 SMARTHONOR MAGIC 7 RSRHONOR X8 LTE
HONOR 70HONOR MAGIC V2HONOR X8A
HONOR 90HONOR MAGIC V2 PDHONOR X9A
HONOR 90 LITEHONOR MAGIC V3HONOR X9B
HONOR View 20HONOR MAGIC VSHONOR X9C
 HONOR MAGIC V5HONOR X9C SMART

 

Xiaomi 15 ULTRAXiaomi 13 T PROXiaomi  11T PRO
Xiaomi 15Xiaomi 13TXiaomi 11T
Xiaomi 14 ULTRAXiaomi 13Xiaomi 11i
Xiaomi 14 T ProXiaomi 12T PROXiaomi 11
Xiaomi 14TXiaomi 12TXiaomi 11 ULTRA
Xiaomi 14Xiaomi 12 PROXiaomi 10T PRO
Xiaomi 13 ULTRAXiaomi 12XXiaomi 10T
Xiaomi 13 LITEXiaomi 12Xiaomi 10T LITE
Xiaomi 13 PROXiaomi 11 LITEXIAOMI MIX FLIP

 

 

 

REDMI NOTE 14 PRO+REDMI NOTE 12 PRO+REDMI NOTE 10
REDMI NOTE 14 PROREDMI NOTE 12 PROREDMI NOTE 9T
REDMI NOTE 14REDMI NOTE 12REDMI NOTE 7
REDMI NOTE 13 PRO+REDMI NOTE 11 PRO+REDMI 9A
REDMI NOTE 13 PROREDMI NOTE 11 PROREDMI 7
REDMI NOTE 13  REDMI 7A
REDMI NOTE 13C REDMI 6A

 

VIVO X200SVIVO X70VIVO S18
VIVO X200 UltraVIVO X70 ProVIVO Y100
VIVO X200 PROVIVO X FLIPVIVO Y78+
VIVO X100SVIVO X FOLD5 
VIVO X100S PROVIVO X FOLD3 
VIVO X100VIVO X FOLD2 
VIVO X100 PRO  
VIVO X100 Ultra  

 

Sony Xperia 10 IV 

Sony Xperia 1 IV 

Sony Xperia XZ2

Sony Xperia 10 V

Sony Xperia 1 III

Sony Xperia XZ2 Compact

Sony Xperia 10 VI

Sony Xperia 1 II

Sony Xperia X Compact

Sony Xperia 10 III

Sony Xperia 1

Sony Xperia X Performance

Sony Xperia 10 II

Sony Xperia Pro I

Sony Xperia Z3

Sony Xperia 5 IV

Sony Xperia X

Sony Xperia Z3+

Sony Xperia 5 V

Sony Xperia XZ

Sony Xperia Z5

Sony Xperia 5 III

Sony Xperia XZs

Sony Xperia Z5 Compact

Sony Xperia 5 II

Sony Xperia XZ Premium

Sony Xperia Z5 Premium

Sony Xperia 5

Sony Xperia XZ1

Sony Xperia 10

Sony Xperia 1 VII

Sony Xperia XZ1 Compact

Sony Xperia 10 Plus

Sony Xperia 1 VI

Sony Xperia XZ3

 

Sony Xperia 1 V

 

 

 

ASUS ROG Phone 9ASUS ROG Phone 6DASUS ZenFone 11 ULTRA
ASUS ROG Phone 9 ProASUS ROG Phone 6 DIABLOASUS ZenFone 10
ASUS ROG Phone 8 ProASUS ROG Phone 6ASUS ZenFone 9
ASUS ROG Phone 8ASUS ROG Phone 5s ProASUS ZenFone 8 Flip
ASUS ROG Phone 7 ULTIMATEASUS ROG Phone 5sASUS ZenFone 8 
ASUS ROG Phone 7ASUS ROG Phone 5ASUS ZenFone 7
ASUS ROG Phone 6D ULTIMATEASUS ROG Phone III 
ASUS ROG Phone 6D BATMANASUS ROG Phone II 

 

NOTHING PHONE 2 PRO

NOTHING PHONE 3

CMF BY NOTHING PHONE 1 

NOTHING PHONE 2a

NOTHING PHONE (3a)

 

NOTHING PHONE 2

NOTHING PHONE 1

 

 

NOKIA 8210 4GNOKIA 8NOKIA 8 Sirocco
NOKIA G50 NOKIA 8.3NOKIA 2.3
NOKIA G60 NOKIA 7.2NOKIA 215
NOKIA X20NOKIA 7.1NOKIA 3210
NOKIA X30 NOKIA 6.1 
NOKIA 9NOKIA 7 Plus 

 

LG G7+

LG V40

LG Q6+

LG G7 Fit

LG V30+

LG K11

LG G6+

 

 

LG G6

 

 

 

HTC U12+

HTC U11+

HTC Desire 12+

 

 

 

XIAOTIANCAI Z11 SMARTWATCHXIAOTIANCAI Z8 SMARTWATCHXIAOTIANCAI Z6 SMARTWATCH
XIAOTIANCAI Z10 SMARTWATCHXIAOTIANCAI Z7 SMARTWATCHXIAOTIANCAI Z6A SMARTWATCH
XIAOTIANCAI Z9 SMARTWATCH  

 

Note:

-       The above mentioned devices are referred to those bought at CTM . For those that are not, please check with the relevant suppliers.