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Many people are asking for how to recover deleted WhatsApp messages.
It's very important for us to get those conversations back with out backup whatsapp if mistakenly they can deleted.
Some common situations that lost Whatsapp msg you can recover from:
1. accidentally deleted it on your android phone
2. lost messages after Android 5.0 updated or other Android upgrade.
3. save messages from water damaged, crashed, broken or smashed Android phone
4. Android deleted messages randomly by itself
5. Factory restore Android phone.