Firmware is a set of programs that ensure the normal functioning of the cellular and the performance of all the functions that it must perform - calls, messages, as well as multimedia functions described in the technical documentation. In case of incorrect operation of the firmware, it is not difficult to replace it, it is enough to follow a series of steps.
Instructions
Step 1
To synchronize your phone with a computer, download the programs necessary for synchronization, as well as drivers for the computer from the manufacturer's official website. Synchronization is necessary for the computer to recognize your phone for flashing. Check your phone package for a data cable. If it is missing, buy it from a cell phone store. Install the drivers and software for synchronization, and then connect the computer to the phone using a data cable.
Step 2
Copy all personal data from your phone. Use the sync program to copy videos, photos, as well as messages and phone book. During the flashing, all this data will be lost, but in case of a backup after the operation is completed, you can copy it back.
Step 3
Use specialized websites dedicated to mobile phones of your model to find software for updating the firmware, as well as instructions for performing this operation. Charge the phone battery to the maximum, then connect it to your computer. A full charge is necessary to avoid switching off the phone during a mobile software update, which could damage the device. Carefully following the instructions, reflash your phone. During the process of updating the firmware, the phone may turn off and on, the screen may flicker, do not turn it off until the message about the end of the operation appears.
Step 4
Disconnect your phone from your computer and restart it. Test it for performance by using functions such as playing melodies, as well as making calls and sending SMS. After making sure that the phone is functioning normally, copy the files saved before flashing from the computer to the phone.
