4G+/LTE-A/Carrier Aggregation Combo Bands in Malaysia

There are 4 carrier aggregation bands that are available to use in Malaysia:

Active:
- B3+B7 (Band 3 1800MHz FDD + Band 7 2600MHz FDD)
All telcos except Yes 4G & Unifi Mobile/Unifi Air

- B1+B3 (Band 1 2100MHz FDD + Band 3 1800MHz FDD)
All telcos except Yes 4G & Unifi Mobile/Unifi Air

- B20+B38 (Band 20 800MHz FDD + Band 38 2600MHz TDD)
Only Yes 4G uses this combo

- B40+B40 (Band 40 2300MHz TDD + Band 40 2300MHz TDD)
Only Unifi Mobile/Unifi Air uses this combo.

Planned:
- B5 + B40 + B40 (Band 5 850MHz FDD + Band 40 2300MHz TDD + Band 40 2300MHz TDD)
Unifi Mobile/Unifi Air, planned from 2017, no commercial launch (yet)

Notes:
- Your device, location & mast must support 4G+/Carrier Aggregation feature
- iPhone 6s series and newer should support 4G+/Carrier Aggregation in Malaysia (except iPhone SE 2016)
- Xiaomi chinese units only support B40+B40 in Malaysia afaik.