Robi brings to you the widest coverage network with Robi 4.5G. With this milestone of technology achieved, every inch of Bangladesh will be invincible. With 4.5G Robi brings to you an entire array of digital services enhancing the much thrived for digital lifestyle.

Are you 4.5G ready?

To make sure that you are ready to receive this innovative, latest update of life with Robi 4.5G you need to check if your device and sim are 4.5G enabled.

To check, dial *123*44#

4.5G data accumulation

You can accumulate your 4.5G data from now!


Frequently Asked Questions
Q: What is 4G?

Ans: 4G is the short name for fourth-generation wireless, the stage of broadband mobile communications that will supersede the third generation 3G. The data speed in 4G is much higher than 3G. With 4G, you will get:

  • Improved download/upload speeds faster than 3G
  • Improved Internet Experience
  • Lesser Latency: Web Pages take less time to load, lesser buffer time
  • Faster video streaming and gaming
  • Suitable Network for IOT (Internet of Things) Services


Q: How can I use 4G? What do I need for 4G?

Ans: For availing Airtel/Robi 4G Services, you need to fulfill the following requirements:

  • 4G USIM card
  • 4G-enabled handset
  • Robi 4G coverage area


Q: What is USIM card?

Ans: USIM is 4G enable SIM card. To avail 4G network service you need to have a USIM card.


Q: What are the benefits of USIM Card?

Ans: The main benefit is to ready the user for 4G network.


Q: What are the difference between USIM card and existing SIM Card?

Ans: The main difference is you can’t experience the 4G network with your existing SIM. You must need an USIM to experience the most powerful data speed network (4G).


Q: Is USIM compatible with 3G/2G devices and network?

Ans: Yes, USIM is compatible with 3G/2G devices and you can use USIM in 3G/2G network as well.


Q: Why do I need to change SIM?
OR, Is it mandatory to change 3G SIM to USIM?

Ans: You need USIM and 4G handset to experience the real speed of 4G under 4G coverage area


Q: How do I install the USIM card in my device?

Ans: There is no difference between installing an USIM and regular SIM. You just need to insert the SIM card of your device’s SIM slot. Then it is automatically installed to the device. (Note: Proffered SIM Slot-1 as most of the handset 4G enabled in SIM SLOT-1 and it depends on manufacturer and model)


Q: Do I need a 4G enabled device to use USIM Card?

Ans: You don’t need a 4G device to use the USIM card. But you need 4G enabled device and USIM to experience the 4G speed under 4G coverage area


Q: How do I get USIM Card? Is USIM available for both prepaid & postpaid users of Robi & Airtel? Is it available across the nation-wide?

Ans: For Prepaid SIM/USIM replacement please visit nearest Robi Sheba/Airtel care/Biometric point.
For Postpaid/Corporate SIM/USIM replacement please visit to your nearest Robi Sheba Kendro or Airtel experience Center only.


Q: What is the charge for USIM replacement?

Ans: Regular SIM replacement fee is applicable.


Q: Does USIM consume more battery?

Ans: No, USIM don’t consume more battery.


Q: Is there any change happen in my tariff plan for migrating to USIM?

Ans: No, there is no relationship between USIM and Tariff plan. So, your tariff plan will be same after converting the SIM to USIM.


Q: If I use USIM, then the number will be same or it will be changed?

Ans: No. It’s just like a SIM change. Your Mobile number will remain same


Q: How can I identify an USIM card?

Ans: “4G” or “U” will be printed on your SIM card or agent can check it from HLR of CRM.


Q: Is biometric verification required to get USIM?

Ans: Yes, It is same as regular SIM replacement process.


Q: Will I be able to use 4G if I have a 4G SIM?

Ans: You will be able to use 4G if you have a 4G USIM, 4G handset & 4G Coverage.
(Note: Even though due to some handsets, inserting 4G sim/USIM will show 4G/LTE but not attach to 4G/LTE network)


Q: When will the new 4G network be commercially available in Robi/Airtel?

Ans: We have launched Robi 4.5G and Airtel 4G+ in 64 District across the nation on 20th Feb 2018


Q: What features are available on the 4G network?

Ans: For 4G offers please visit www.robi.com.bd and bd.airtel.com


Q: How to get or buy a mobile phone that supports 4G?

Ans: Please visit https://shop.robi.com.bd/ for exciting 4G Handset deals


Q: What are the benefits of 4G? Ans:
  • High Speed Internet Service.
  • Improved download/upload speeds faster than 3G.
  • Improved Internet Experience.
  • Lesser Latency: Web Pages take less time to load, lesser buffer time.
  • Video streaming and gaming will be faster than 3G.
  • Suitable Network for IOT (Internet of Things) Services.


Q: How would I know if my handset supports 4G? How I can active 4G in my handset?

Ans: Dial * 123 * 44 # or * 121 * 44 # to know if SIM and Handset 4G is enabled. You can also look into the settings of your phone. Following are the steps: Android: Go to Settings > Mobile Networks > Network Mode > select 4G/LTE mode iPhone: Go to Settings > General > Cellular > Enable 4G LTE option (Note: Different handset manufacturers make slightly different layout for settings)


Q: What is the difference between 3G and 4G?

Ans: The main difference between 3G and 4G is data speed. 4G brings faster internet speed than 3G. If you want to future-proof your mobile communications and entertainment you need 4G.

  • High Speed Internet Service.
  • Improved download/upload speeds faster than 3G.
  • Improved Internet Experience.
  • Lesser Latency: Web Pages take less time to load, lesser buffer time.
  • Video streaming and gaming will be faster than 3G.
  • Suitable Network for IOT (Internet of Things) Services.


Q: Where do we get 4G coverage information?

Ans: You can check the coverage info in our website robi.com.bd and bd.airtel.com


Q: Will I get all contact and SMS after I replace my SIM as USIM which are stored in my current SIM?

Ans: No. To get all the stored contact and SMS of your current SIM, you need to backup before replace.


Q: From which point I can replace my Current SIM to USIM?

Ans: For Prepaid SIM/USIM replacement please visit nearest Robi Sheba/Airtel care/Biometric point.
For Postpaid/Corporate SIM/USIM replacement please visit to your nearest Robi Sheba Kendro or Airtel experience Center only.


Q: How do I check if my SIM and Handset are 4G enabled?

Ans: Dial * 123 * 44 # or * 121 * 44 # to know if SIM and Handset 4G is enabled

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