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[SOLVED] SIM5320A TinyShine Arduino GSM shield - firmware upgrade issue

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aniva

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Hi,
Current firmware version:
AT+CGMR Revision : +CGMR: 1575B12SIM5320A
Downloaded version B14 **broken link removed**
Image of the shield here

Shield powered by 5v and connected to USB, recognized OK
pic01.png

FW upgrade by QDL.exe starts OK with "backup qdn" process

pic02.png

after "backup qdn" completes QDL goes to waiting countdown state but shield does't not come back up, so upgrade process exists with error "download failed"

pic04.png

Final state of the QDL has following message

pic05.png

If power is removed from shield and then restored, shield is back to operational state with old firmware

I need to somehow make sure it comes back up after "backup qdn"
 

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