It should be the phone software. Just swipe your mobile phone, about 20 yuan. There is software in the mobile phone ~ ~ What we often say now is the process of "replacing some pictures, ringtones or menus, then changing the software version" to replace the original mobile phone.

Is it risky to brush the machine?

A: When we say brush machine, we mean brush machine under the premise of controllable risk. The current DIY versions are based on the original version, but the original picture is replaced by another picture, and the original ringtone is replaced by another ringtone, without moving the core part. It's just that some pictures, ringtones or menu characters have been replaced or changed, which should not have any adverse effects ~ As long as you make a backup of the mobile phone software and follow the steps, there is basically no risk in brushing the machine (if you have to brush it back). From the practice of S508, there is no problem in correct operation. It is possible that brushing some versions will change the serial number of the mobile phone, and the change of serial number may lead to the problem that the phone cannot be dialed after brushing. Of course, this situation is rare. If this happens, it is normal to change the serial number of the mobile phone back with tools.

Can I swipe my card for licensed goods?

A: Actually, the licensed brush machine is worried about the warranty problem after the licensed brush machine, so it is best to go to KF and let him brush it for you, so as not to delay the warranty. Whether you can brush yourself, the answer is yes, but pay special attention to:

1. Be sure to use SGH-500 dumper 3.2 to carefully back up the software version of the mobile phone before brushing the licensed machine, and brush back your original backup before going to customer service.

2. Check whether the serial number is correct before going to the customer service, or use Samsung SGH-S500 maintenance tool VER 3.00 to change the serial number back.