Downgrade firmware from 0.5.0 problems

Oct 13,2023
U749977807
Oct 13,2023 at 2:13 pm
Oct 13,2023 at 2:13 pm

Hi,

I've just bought pair of UBOOM L and want to downgrade them from 0.50 to 0.4.8.

Everything is installed and attached correctly, while starting application 2.0.05 is showing following error and stuck from there:

2023-10-13 15:53:44 Application Startup...
2023-10-13 15:54:38 DEVICE1:102 RUN_HWSC_FAILED("None" in fwsp.BaseFirmwareOP.HWSC(fwsp.py, line 438))
2023-10-13 15:54:38 Device 1:102 failed: RUN_HWSC_FAILED, took 1 seconds (15%)

What to do to complete firmware update?

Kind regards

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EarFun CS Team

Staff Member

Oct 30,2023 at 10:19 am
Oct 30,2023 at 10:19 am

Hi Friend,

 

Thanks for choosing EarFun. 

 

Please email our customer service team via service@myearfun.com or submit the warranty ticket on our official website: https://www.myearfun.com/process-warranty. EarFun provides an 18-month warranty for every product. Your satisfaction is always greatly important to us.

 

Sincerely,

 

EarFun Customer Service Team

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