Telecommunications iphone4s, which are custom-made contractual phones of telecommunications companies, are not too different from iphone4; the only difference may be that iphone4s can only use telecommunications mobile cards, and none of the others are usable. Cell phones in iphone4s are also subject to cell phone problems, and ordinary mobile phones have a small number of carding machines for long periods of time. When a cell phone is machined, we can brush it, we can upgrade the system and restore it. Now, let's see how the iphone4s brush。
I. The operation of iphone4s is:
Step 1: computer landing apple official network downloads itunes, open when installed。
Step 2: connect iphone4s with computers using data lines。
3. Step 3: first press the power key at the top of iphone4s, and then slide the switch after the turnoff。
4. Step 4: please then hold down the power button, at which point the screen will be marked with apples and do not release the power key。
Five, five: then hold the main screen home until the screen is black。
6. Step 6: when the screen is black, please release the power key, and the main screen home key remains open until the itunes at the end of the computer detects an iphone in recovery mode。
7. Step 7: press " shift " on the keyboard, click " restore " and select the corresponding solid to restore the system。
Ii. Background
The iphone 4s version of shaanxi telecommunications is officially and publicly available since 9 march 2012. In october 2011, when the first iphone4s came on the global market, the iphone4s, which was opened in the united states, included the wcdma and cdma versions. At the end of january 2012, china telecom and apple formally concluded an agreement to introduce the iphone4s version of the cdma version, while the date of distribution of the iphone4s version of the telecommunications cdma version was set for the first quarter of 2012. Previously, the telecommunications cdma version iphone4s had been approved through the national radio equipment model and approved by the ministry of industry and communications. It is known that the equipment model of iphone4s, a telecommunications version of iphone4s sold in the mainland of china, is a1387 and has the capacity to support the gsm/wcdma network while travelling in international and hong kong。
Iii. On-board systems
The latest ios5 system with apples, whose main new functions are:
1. Photo-editorial editing system: allows users to make some modifications to their mobile phones immediately after the photo is taken, or to add some features and templates。
A lock-screen reminder: as indicated in the ios 5 speech, apples describe it as “a fine design”. It's never been as simple and beautiful as it is now on the iphone screen。
3. Notification centres: similar to android notification centres, but more effective。
4, iclaud cloud backup: synchronizing all your information, including application archiving. (mobileme improved version)
Price:
The prices of mobile phones, which were high at about $4900, have now declined significantly with the issuance of apples for the first five generations, and are now around $1,800. Price source network, for information purposes only。
The above is a brush course for iphone4s. The iphone4s brush should be kept in mind that mobile phones are not without electricity, which not only leads to the failure of the machine, but may also raise other procedural issues, leading to the non-use of the mobile phone and, in serious cases, to a professional repair. Telecommunications iphone4s are custom mobile phones and can only be fitted with telecommunications cell cards, so it is important to keep this in mind when choosing to purchase them, otherwise it is a difficult task to buy them back。
