dtac Network
Service Area
We are committed to continuously improve our network for our customers
How to Check
Your dtac 5G Readiness
1Check and activate 5G
Dial * 555# (free)
2Wait for SMS confirmation
3Check SMS confirmation in your inbox
Check Your Phone’s Compatibility
Recommended Packages
Experience the better Internet
for both prepaid and postpaid
FAQ
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Who will be eligible for 5G trial service? The service is available for any dtac staff who owns 5G-compatible postpaid SIM card and 5G-compatible phone. Dial *555# to activate 5G provisioning. -
We are sorry for the inconvenience. The service is not available for Finmobile at the moment. Please stay tuned for updates soon. We are sorry for the inconvenience. The service is not available for Finmobile at the moment. Please stay tuned for updates soon. -
Can dtac staff who use dtac prepaid as their staff number be eligible to use the service? If you have a SIM card and mobile phone that support 5G 700 MHz
Please submit your enquiry to activate 5G signal as per below instruction.
- E-mail to pornpat.purikup@dtac.co.th
- State subject "activating 5G provisioning"
- Provide details: Phone number for activation, operating system, emp.id, and name-last name
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Why is dtac’s 5G speed so low compared to AIS and True? The Internet speed depends on the band in service. dtac is currently deploying 5G use cases on high band (26 GHz) with ultra-high speed, 5G-ready Massive (MIMO) for mid band. Today 5G on low band (700 MHz) is currently available for service which greatly improves coverage across Thailand as one of the commitments to offer "high-speed connectivity for all". -
But can dtac compete with AIS and True’s 5G offerings on mid-band spectrum? With our extensive rollout of 5G-ready Massive MIMO technology and over 20,000 TDD sites in 2020 using mid-band spectrum, we have been able to offer the highest download speed in Thailand. We are confident that our combination of low-, mid- and high-band spectrum is sufficient to offer “high-speed connectivity for all”. -
When will dtac launch 5G which is comparable to AIS and True? dtac is committed to provide "high-speed data experience for all". We place high emphasis on providing services on 5G, compatible mobile devices and accessories at reasonable price ranges, and new use cases for customers. 5G will be with us in a long run like a marathon run, not just a quick sprint. -
Does the stronger frequency impact the brain? dtac provides mobile frequencies in accordance with international standard and under supervision of NBTC. Impact to physical body is not evident. Researches from WHO suggest NBTC that mobile frequencies emitted from any signal sites will not have any impact to physical body. -
How many phone models in Thailand currently support 5G 700 MHz? Currently there are more than 40 phone models that support dtac 5G 700 MHz, of which are readily available. Some models are still waiting for permission to update latest firmware or operate on dtac 5G 700 MHz from the makers. -
Will iPhone 12 be able to work on 5G 700 MHz? Yes, it will with some requirements.
- iOS 14.4 or more (except 14.5 beta)
- Carrier dtac 45.1
- Setting > Cellular > Cellular Data Option
- Data Roaming on
- Voice & Data: 5G Auto on
- Data Mode: Allow More Data On 5G on
- If dual SIM cards are on, you need to deactivate another SIM card. Initially, dtac 5G is available in Bangkok, Chiang Mai, Nakhon Ratchasima, Khon Kaen, Phuket, and Surat Thani. The 5G icon will appear on the screen when you are in service area
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How can I check device compatibility on 700 MHz by myself? On which channel? Staff can check device compatibility to dtac 5G in the above "Check device readiness" section. -
Which area can staff use 5G? Staff can check dtac 5G service areas in the above "dtac network service area" section. -
Does 5G icon appear on the screen? Yes, please notice the 5G icon on the phone.
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Does the firmware need to be updated? For some mobile phones such as iPhone12 or Samsung, the phone companies have to provide the latest firmware version for update or grant a permission to dtac 5G 700 MHz.
dtac staff can refer to step-by-step guide on how to update the latest firmware version in "Firmware's latest update" section. -
Does it consume the battery quickly? Battery consumption rate depends on various factors. However, please rest assured that maintaining regular usage style will not create any impact to the battery consumption rate. -
Why does my phone heat up when on 5G? Increasing heat of the phone depends on usage behavior and device spec. As the device continues to detect 5G signal, it causes the device to run more intensively which produces more heat as a result. -
How to check if my 5G-compatible device supports dtac 5G? dtac provides 5G service on 700 MHz. If your device supports 700 MHz, then it is only natural to work well with dtac 5G.
Staff can check device compatibility to dtac 5G in the above "Check device readiness" section. -
Do I need to replace my current SIM card with a new one? Generally, a SIM card issued within 2 years from present date is compatible by default. You can check device readiness by dialing *555#.
In case of incompatible SIM card, please contact dtac shop for a SIM card replacement. -
Which one is dtac 700 MHz reserved for? 5G or 4G? The 700 MHz band by dtac will be reserved for both 4G and 5G to widen dtac's signal to nationwide coverage for customers ultimate experience. -
What is the benefit of 700 MHz? dtac aims to expand its 4G and 5G coverage area with the new 700 MHz for indoor, outdoor purposes and remote area. dtac has never stopped improving its service for the better customer's experience. -
There are cases that the phone catches 4G 700 MHz and one minute later it switches to 4G 2300 MHz. Why so? Generally, the network tries to offer the best to customer. If you are in the area where there is 4G 2300 MHz, your phone will try to catch 4G 2300 MHz first while 700 MHz helps enhance signal strength in the area far away from signal sites. -
What is the difference between dtac 5G and that of other networks? dtac aims to expand its 4G and 5G coverage area with the new 700 MHz for indoor, outdoor purposes and remote area. dtac has never stopped improving its service for the better customer's experience. -
What is the highest speed of upload and download? The speed depends on device qualification, area, and timing. dtac 5G service on 700 MHz will enhance customers Internet experience. -
When will dtac 5G be officially available? dtac will introduce 700MHz 5G services in six major cities, including Bangkok, Chiang Mai, Khon Kaen, Nakhon Ratchasima, Phuket, and Surat Thani. Please stay tuned for updates soon. You can check dtac 5G service area in "dtac network service area" section above. -
What is the proportion of 4G and 5G service? The latest technology adopted by dtac automatically enables an appropriate proportion for each area for the best Internet experience. -
How far can the signal reach? The signal range depends on signal sites in each area. You can rest assured that dtac's network team is working its best to extend the range to every corner in the country. -
If dtac staff have problems using 5G, where can they go to? They can report the issues via FastLane on Plearn application. In case they are unable to log in, please reset password in MyID on tac_bangkok domain, dial **31190 or e-mail itservicefeedback@dtac.co.th