messages disappeared

I'm using Tiktok to contact creators but sometimes i noticed that i havent replies as usuall. For example, i sent about 20 messages in an hour and my messages noted as '' sent'' and not '' delivered''. The next day, i get in my inbox and i see only messages from my last 2-3 days and all the...

I was certain I had backed up my WhatsApp on google drive as well like maybe somewhere in 7th or 8th month this year too! But what happened is I was on WhatsApp and working on my laptop and then there was like a freeze and lag on WhatsApp and looked like it was refreshing or something and then...