Certain Video terminal edition is :
Software version 2.60.3 2004.7.1
BIOS edition ：1.00
Hardware edition ：1.2
Hpdates VCGV600R420B03D0003Sp4 (3.34.0 2005.7.25)edition unsuccessfully
8220 video displays:
Loading from background ---fail to write into Falsh
1. check the network line ,ping 8220 terminal, the packages are not lost, and the delaying of time is less than 1ms
2. after replacing the 8220 terminal ,the phenomenon still exists, and after replacing the PC ,the phenomenon still exists.
3. Using VCGV600R420B02D0011Sp10（Release 2.80.10 2005.01.26）-simple Chinese edition as the transition edition, upgrades to 2.80.10,succeed.
4. Upgrade from 2.80.10 to 3.34.0 ,succeed.
Suggestion and conclusion
o It is recommended that the terminal product edition should list the attentions to pay.
o The multimedia product software package directory /NGN Compatible/ contains the latest 3.34.0 edition, the 2.80.10 edition should be added in the directory.
1. The quality of network, the PC and the network port can’t communicate fluently.
2. The problem is the hardware of 8220 terminal.
3. The edition of 8220 terminal is too low, large-span upgrading is not allowed.