unfortunately noI would like to hard reset my phone..is there any way to get back my WhatsApp chat history ?? Pls help..

unfortunately noI would like to hard reset my phone..is there any way to get back my WhatsApp chat history ?? Pls help..
HI all i have a question
this few days i was keep flashing 3rd party android rom alot & keep reactivate my whatsapp.
already get 1 time 24 hours wait. than 48 hours waits.
today i flash another rom again try to reactivate my whatsapp this time it show
View attachment 61801
how do i unblocked my whatsapp? i have report to whatsapp support they just ask me to check those country code reinstall, i know that surely wont work.
When is the whatsapp update coming please tell... Waitng eagerly
already move my sim card to another phone to try it still showing the same message
sms fail without the time frame 5 mins.
press for call verification directly get the message above.
New beta update the "audio" tile isn't there.. I don't know why the speculation can start.. http://img.tapatalk.com/d/14/04/10/y4ypuhev.png
New beta update the "audio" tile isn't there.. I don't know why the speculation can start.. http://img.tapatalk.com/d/14/04/10/y4ypuhev.png
Relax dudeplease stop asking about the update. it is never come. this version is the last for windows phone