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1 Upgrade Process
This chapter introduces software upgrade process of SIM800 series modules. The picture below
illustrates this upgrade process: Every time when module is powered on, it will start from the
BOOT ROM. The following picture shows the upgrade process:
1.1 Start Upgrade Process
1)
Make sure the power supply of module is OK and module serial port is connected to the
MAIN port.
2)
Reset module, it will start from the BOOT ROM.
The serial port of the module must be set as follows:
115200bps, 8 bit, No parity bit, 1 stop bit, no flow control.
SIM800 Series_Software Upgrade_Application Note_V1.02
Figure 1: Upgrade process
6
Smart Machine Smart Decision
2014-06-30
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