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The Samsung S21 models are a part of Galaxy S Series of Samsung Electronics. The S21 Series consists of the four models. These models are "Galaxy S21" , "Galaxy S21 Plus" and "Galaxy S21 Ultra" model, and the mid-range variant "Galaxy S21 FE" (Fan Edition). The S21, S21 Plus and S21 Ultra were released in the United States and Europe on 29 January 2021, while the S21 FE was released globally on 7 January 2022. Its operating system comes originally Android 11 with One UI 3.1 which is upgradable to Android 13 with One UI 5. Company use Octa-core processor with Exynos 2100 SoC chipset internationally and Qualcomm Snapdragon 888 chipset in United States, Canada, China and Japan. The S21, S21 FE and S21 Plus comes with Wide, Ultra wide, Telephoto and Front Camera while S21 Ultra also comes with Periscope Telephoto camera. The Samsung Galaxy S21 has 6.2 inches display with flat sides. Its weight is 169 grams. It has 4000 mAh battery It has two varia...

The Samsung Galaxy S22 is a part of Galaxy S series. It is Android-based smartphones, which are designed, developed, manufactured, and marketed by Samsung Electronics. It was released in USA and Europe on 25 th February 2022. The S22 comes with three models. "Galaxy S22" , "Galaxy S22 Plus" and "Galaxy S22 Ultra" . This S Series comes with Android 12 operating system, Octa-core CPU with chip of Qualcomm Snapdragon 8 Generation.  It has IP68 which gives water and dust resistance, up to 1.5 m for 30 minutes. The Samsung Galaxy S22 has 6.1 inches display with flat sides. Its weight is 167 grams. It has 3700 mAh battery It has two variants. One is 128 GB storage with 8 GB Ram. Its price is $646. Second one is 256 GB storage with 8 GB Ram. Its price is $799. It is available in five colors these are Phantom Black, Pink Gold, Phantom White, Bora Purple and Green. The Samsung Galaxy S22 Plus has 6.6 inches display with flat sides. Its weight is 195 grams. It h...

 Apple Inc. launched their  “iPhone 13 Mini” ,  “iPhone 13” , “iPhone 13 Pro” and “iPhone 13 Pro Max” on September 14 2021. Its box comes up with iPhone with iOS 15 operating system which is world’s most secure and personal mobile operating system, packed with beautiful designed and powerful features to protect user privacy, USB‑C to Lightning Cable and Documentation. Their front and back is made up of Corning-made glass and the frame is made up of stainless steel. The standard Apple iPhone 13 models have notch at the top of the display. These are also water and dust resistance. They also feature a triple rear camera on the back which are heavier than the standard models, because of shiny stainless steel frame made up of aluminum. Special features are accelerometer, gyro, proximity, face ID, 5G enabled, compass, MagSafe, barometer, both wire and wireless charging and dual-SIM capabilities. These are available in five different colors and these colors are Graphite, Gold,...

Apple Inc. launched their “iPhone 14” ,  “iPhone 14 Plus” ,  “iPhone 14 Pro” and “iPhone 14 Pro Max” on September 16 2022. It is made up of Ceramic Shield front, Textured matte glass back and stainless steel design. The standard Apple iPhone 14 models have notch at the top of the display. These are also water and dust resistance. They also feature a triple rear camera on the back which are heavier than the standard models, because of shiny stainless steel frame made up of aluminum. Special features are 5G enabled, MagSafe, wireless charging and dual-SIM capabilities. These are available in four different colors and these colors are Space Black, Silver, Gold, and Deep Purple. The main difference between the them are the size difference. The display of iPhone 14 has rounded corners within a standard rectangle. which follow a beautiful curved design. If we measured as a standard rectangular shape, the size of screen is 6.1 inches diagonally and the weight is 172 grams. The bat...

 We are living in an era where mobile phones are an integral part of life. But if we look back 50 years, the first mobile phone was invented by Martin Cooper in New York City in 1973 with the weight of 2 kg. So it was almost impossible to carry it in a pocket. Initially it was a wireless device that use to make and receive calls. At that time people don't even imagine that they will see each other from one corner of the earth to another. With the passage of time technology bring changes and this device became capable of sending and receiving text messages. It also become smaller as engineers added more feathers in it like MMS, later on Camera and multi media player for audios and videos. After that mobile phones started to be manufactured with the access to Internet 2G. Which is known as data services. Where people have access to weather, news, sports updates and much less area of internet. Engineers also added the feature of “Bluetooth” which helps users to share their data like i...