pie update error for m30

[keek91]

My update is downloading till 100 % but while installing it says invalid and try again.also its told me to send the error to the server but not really helpful.how do I update my m30 to android pie

[RJ96]

do factory reset and download again

[Ahsanshhahh]

Clear cache partition and if still it doesnt work then do a factory reset..

[luckyguru]

after successful major os update, you should factory reset your device