bro my friends also done that as you marked, nobody will help you, Nokia Care or Chat support etc. If your have ta-1021 indian nokia 6 so you can update your phone with manual update, just download the OTA update (June July, august, September, October zip files into your sd card, and install. start update with first June then July one by one till October via recovery mode, its very easy
Download OTA form below link.
NOKIA USER PLS HELP ME BRO STUCK ON JULY PATCH'
@BAAZ PLS HELP