IPL is short for initial program loader, which is the loader of the initial program. Its main function is to take charge of the motherboard, power supply, hardware initialization program, and load the SPL into the ram space, if the IPL is damaged, you can only replace the font. Otherwise, you can only replace the mobile phone.
SPL is short for second program loader, which means to re-install the program. Its main function is to load the Android operating system to the ram space. When the SPL is damaged, you can use the burner to re-write the program.
SPL provides the following functions:
1. Check the mobile phone hardware to find the boot partition and start the operating system.
2. A three-color screen driver is provided for the mobile phone. Establish a connection with the PC through the data cable, accept and execute the corresponding commands on the PC, and provide an operation interface for basic system maintenance.
3. boot from the storage card into the card swipe mode.
The radio telephone function is the driver of the wireless communication module, and the Rom is the system program. Radio is responsible for network communication. Rom and radio can be separately flushed without affecting each other. However, some rom and the original radio are not very effective in combination, there may be phone leaks and other situations, if this happens, please try another version of radio.
Differences between IPL and SPL