1O1O makes every effort to keep you connected to the world, even in areas where the signal is weak

Wi-Fi Calling enables you to make voice calls and send SMS via Wi-Fi, so you can keep in touch wherever you may be.


Make calls even when the mobile signal is weak or intermittent

Make calls in the normal way without using an extra App.


Wi-Fi Calling enabled handset

Brand Model
Apple iPhone X, iPhone 8 Plus, iPhone 8, Phone 7 Plus, iPhone 7, iPhone 6s Plus,
iPhone 6s, iPhone 6 Plus, iPhone 6s, iPhone SE
Asus Asus ROG Phone 5, Asus ZenFone 8, Asus ZenFone 8 Flip, Asus ROG Phone 5s Pro, Asus ROG Phone 5s
SAMSUNG Samsung Galaxy S21 5G, Samsung Galaxy S21+ 5G,
Samsung Galaxy S21 Ultra 5G, Samsung Galaxy Z Fold 2,
Samsung Galaxy Z Fold 3, Samsung Galaxy S20, Samsung Galaxy S20+, Samsung Galaxy S20 Ultra, Samsung Galaxy Z Flip 3, Samsung Galaxy Z Flip 5G, Samsung Galaxy Z Flip, Samsung Galaxy Fold, Samsung Galaxy Tab S7 FE 5G, Samsung Galaxy Tab S7 LTE, Samsung Galaxy Tab S7+ 5G, Samsung Galaxy Tab A7 Lite,
Samsung Galaxy S10e, Samsung Galaxy S10, Samsung Galaxy S10+,
Samsung Galaxy Note 20 Ultra, Samsung Galaxy Note 20,
Samsung Galaxy Note 10 Lite, Samsung Galaxy Note 10,
Samsung Galaxy Note 10+, Samsung Galaxy Note 9,
Samsung Galaxy Note 8, Samsung Galaxy S9,
Samsung Galaxy S9+, Samsung Galaxy A8+,
Samsung Galaxy S8 (Firmware: G9500ZHU1AQF7 or newer version),
Samsung Galaxy S8+ (Firmware: G9550ZHU1AQF7 or newer version),
Samsung Galaxy S7 (Firmware:G930FXXU1DQEV or newer version),
Samsung Galaxy S7 edge (Firmware:G9350ZHU2BQE3 or newer version),
Samsung Galaxy A52 5G, Samsung Galaxy A32 5G, Samsung Galaxy A31, Samsung Galaxy A22 5G, Samsung Galaxy A51, Samsung Galaxy A71,
Samsung Galaxy A20, Samsung Galaxy A40s, Samsung Galaxy A60,
Samsung Galaxy A70, Samsung Galaxy A80, Samsung Galaxy A9 (2018),
Samsung Galaxy A7 (2018), Samsung Galaxy A20s, Samsung Galaxy A50s,
Samsung Galaxy S20 FE, Samsung Galaxy A42 5G, Samsung Galaxy Active 3 LTE,
Samsung Galaxy A12
LG LG G6 (Firmware: V10f-HKG-XX or newer version)
LG G6+ (Firmware: V10f-HKG-XX or newer version)
LG G7 ThinQ
LG G7+ ThinQ
LG V20 ( Firmware: V10o-HKG-XX or newer version)
LG V30+ (Firmware: V10o-HKG-XX or newer version)
OPPO OPPO Reno 6, OPPO Reno 6 Pro, OPPO Reno 5 Pro, OPPO Reno 5, OPPO Reno 5Z, OPPO A74
SONY Sony Xperia™ XZ3, Sony Xperia™ XZ1 (Firmware: 47.1.A.8.49 or newer version),
Sony Xperia™ 10, Sony Xperia™ 10 plus, Sony Xperia™ 1,
Sony Xperia™ 1 II, Sony Xperia™ 1 III, Sony Xperia™ 5, Sony Xperia™ 5 II, Sony Xperia™ 10 II, Sony Xperia™ 10 III
HUAWEI Huawei P40, Huawei P40 Pro (5G), Huawei Nova 7, Huawei Nova 7i,
Huawei Mate 30 Pro, Huawei Mate 30, Huawei P30, Huawei P30 Pro,
Huawei Nova 5T, Huawei Mate 40 Pro
Vivo Vivo X50e, Vivo Y20s, Vivo X50, Vivo X50 Pro, Vivo Y12s, Vivo X60, Vivo X60 Pro, Vivo X70, Vivo X70 Pro, Vivo Y72, Vivo V21

Turn Wi-Fi Calling settings on - iOS (Version 10.3)

Settings > Phone
Wi-Fi Calling
Turn on "Wi-Fi Calling on This iPhone

Turn Wi-Fi Calling settings on - SAMSUNG (Android 7.0)

Setting indicator
Turn on Wi-Fi Calling

Turn Wi-Fi Calling settings on - LG (Android 7.0)

Wi-Fi Calling
Turn on

Turn Wi-Fi Calling Settings on - Sony (Android 8.0)

Setting indicator
Calling accounts
Wi-Fi Calling
Turn on

Turn Wi-Fi Calling indicator on

Operating System Indicator

Call the 1O1O Product Hotline on 2988 1010
or visit a 1O1O Center for details.

Terms and Conditions for Wi-Fi Calling service:
  1. Wi-Fi Calling service is only available with designated service plans and handsets, and cannot be used in conjunction with certain types of service. Please call 28881010 for details.
  2. If customer makes local voice call and send SMS via Wi-Fi Calling, the usage will be deducted from service plan.
  3. If customer makes IDD voice calls via Wi-Fi Calling, additional IDD fees will be charged.
  4. If no csl mobile network coverage, while the Wi-Fi Calling service is connected, Wi-Fi Calling service
    - shall not support sending and receiving Multimedia- Messaging- Service (“ MMS”)
    - shall not support sending USSD code
    - shall not support to set up or cancellation of Call Forward / Call Waiting, but does not affect the activated functions.
  5. Wi-Fi Calling service does not support video call.
  6. csl Wi-Fi service does not support Wi-Fi Calling service.
  7. Wi-Fi Calling service cannot be used when roaming.