Differential packet size

Less than 5% of ROM

Greater than 15% of ROM

Resource occupation

1.5M byte space occupying RAM during operation

Running needs greater than 3M

Upgrade format

Support for BIN partitioning and file system

Only BIN partitions are supported

resume from break-point

Download process interrupt point resume, able to support file system and BIN partition

Only BIN partitions are supported

Breakpoint protection

Power-off protection during upgrade

not support

Differential tool

Online automatic differential tool, login to create difference

Need to send a package, then return to the differential package

OTA background service

Provide a complete client + server solution

Some manufacturers do not provide

Download method

1 device independent download via GPRS, wifi

2 After the mobile phone download is completed, it is transmitted via Bluetooth

3 serial port transmission upgrade package solution

Only support device independent download, or download module is not provided