1, stable WI-FI or 3G network.
2. The battery power reaches more than 50%.
3. The available mobile phone memory is greater than 1GB.
Second, use Samsung kies/kies3 (if the current version is 4.3 system, you need to download kies3, kies software download: you can log in to Samsung official website-click the magnifying glass search bar in the upper right corner-enter the Kies keyword-click the enlarged icon again to search and download Kies software, and download and install it on the computer). Can I download Smart for the new models that have been listed recently? Switch software is connected to the computer to update the firmware (Smart? Switch download method: enter Samsung official website-click the Application tab-click Samsung Smart Switch- select Windows version download /MAC OS version download according to the operating system of the computer in the middle of the page).
3. If you can't upgrade normally through the above two methods, it is recommended to bring three-package certificate and send the mobile phone to the local Samsung service center for security upgrade.
Tablet computer, also called portable computer (English: Tablet PC, Flat Pc, Tablet PC, Slates), is a small portable personal computer with touch screen as the basic input device. Its touch screen (also known as tablet technology) allows users to do their homework with a stylus or digital pen instead of a traditional keyboard or mouse. Users can input through the built-in handwriting recognition, on-screen soft keyboard, voice recognition or real keyboard (if the model is equipped).
Tablet PC was put forward by Bill Gates, and should support the chip architecture of X86(intel, AMD) and ARM. Tablet computers can be divided into ARM architecture (representative products are ipad and android tablet) and X86 architecture (representative products are Surface Pro). The latter X86 architecture tablet computer generally adopts Intel processor and Windows operating system, and the computer and tablet are fully functional and support exe programs. With the rapid development of communication technology, the development of tablet computers is changing with each passing day. As a new technology, CDMA and CDMA2000 are rapidly sweeping the world and have occupied 65,438+08% of the wireless market. By the end of 20 12, the number of CDMA2000 users worldwide had exceeded 256 million, and 156 operators in 70 countries had commercialized 3G CDMA services. Judging from the concept product of tablet computer put forward by Microsoft, tablet computer is a fully functional PC that needs no flip cover and keyboard, and is small enough to fit into a lady's handbag.