No signal wireless in my router hg556a

Installing and Using OpenWrt Network and Wireless Configuration
1

hello
I was working [PULPSTONE-LEDE]
but no signal wireless in my router hg556a

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I tried many ways
Such as deleting wi-fi networks
Reinstallation OpenWrt
Back to the old system Vodafone
I always have this problem
Is there any solution
Please Help me

2

Did you flash any 17.01.6, 18.06.1 or 18.06.2? You might have erased your cal_data partition :frowning:

3

yes I have tried flash 18.06.1, And I can't see wireless in network
But when I tried back, This problem appeared
yes I erase cal_data partition
do you have a solution ??