John F. Mitchell and Martin Cooper who were from the company Motorola, introduced the first handheld cellular mobile phone on 3rd April in the year 1973. The handset had a weight of 2 kilograms. Wiki
The first commercially available mobile phone was Motorola DynaTAC 8000X. Wiki
The first commercially available mobile phone was Motorola DynaTAC 8000X. Wiki
Yes, Samsung mobile phones are assembled in their factories in Bangladesh. The phone parts are imported mostly from China.
Almost all renowned brands who officially sell mobile phones in Bangladesh via their brand showrooms, assemble or “make” their phones in Bangladesh. This includes brands like Xiaomi, Samsung, Vivo, Oppo, Realme, Symphony, Tecno, itel and so on.
To know about the current most popular phones in Bangladesh, visit our Top phones page.
Official phones come with official brand warranty with a fixed official price set by the brand entity itself. Unofficial phones come without any official brand warranty and are imported from other sources than the brand entity. The price may also differ from shop to shop. Retail stores who legally sell unofficial phones in Bangladesh may offer their own service and parts replacement warranty of 1 or 2 years.
Some of the advantages of using a mobile phone or smartphone are that you can make calls, send SMS, store and use media files such as audio, videos, pictures and documents, take photos or videos using the camera, use the internet for information, communication or entertainment, use apps and games for the same purpose and so on.
Some disadvantages of using mobile phones are that they can be addictive if not used with caution. It can draw germs and bacteria if not cleaned regularly and properly. It can also make a person too dependent on its service.
We are talking about WiFi speed through mobile hotspots here and not about broadband connection. According to Speedtest, Banglalink delivered the fastest median download speed at 23.47 Mbps in Q2 2023.
According to Speedtest, Banglalink was the fastest mobile network during Q1-Q2 2023. Banglalink Speed Score was 28.77, with median download speeds of 22.57 Mbps and median upload speeds of 9.11 Mbps. Grameenphone came second with a speed score of 25.90. Robi secured the third position by scoring 19.85.
When it comes to mobile internet, Grameenphone takes the Games Experience award by Opensignal. The award was given after the data collection from April 01 to June 29, 2023.
Grameenphone had a score of 50.8 on a 100-point scale. Banglalink was in second position with a 49.0 score to win the award. Robi scored 45.6 and Teletalk scored 36.1. Games Experience award is given by considering the real-time multiplayer gaming experience on mobile networks.
As of September 2023, Grameenphone is the largest mobile phone operator in Bangladesh with 7.92 crore SIM users. Robi is in the second position with 5.44 crore users. Other operators like Banglalink and Teletalk have 3.98 crore and 66 lakh users respectively. The amount of SIM users in Bangladesh is about 18 crore. Source