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Compressed Firmware including firmware, tools, tutorials.
this firmware is for the devices with the serial number S7300-01-XXXX
Notice：If the device is v1.5， we suggest you to upgrade it to v2.1 first and then v2.2。
s7300_V2.2.3firmware：
S7300 preloaded content:
Before Upgrade:
1. Please back up all data of the device. All installed documents in the device will be cleaned out after upgraded.
2. Backup the following four -files(factory_update_param.aml，patch.zip，uimage_recovery，update.zip)-to the root menu of the SDcard
Upgrade Steps：
Press “POWER” button and “VOL+” button together under POWER OFF state, device would enter automatic upgrading interface. Device would enter system again automatically after upgrade successfully.
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