Nowadays WhatsApp become an important part of our lives. It contains many of our important information,including chat messages, photos, audio, video. When we go out to work long days or travel to another country or region, or other reasons, we need to change phone numbers. At this moment, you will consider about your whatsApp data on iPhone. How to prevent WhatsApp data being erased, here we deal with this problem for iPhone users.
Make a backup with your WhatsApp Before the starting
It's necessary to make a backup with your WhatsApp, to prevent any accidental loss of your WhatsApp data.There are three ways to backup your WhatsApp data on your iPhone.
Make a WhatsApp iCloud backup on iPhone
1. Your iPhone iOS version must be iOS 5.1 or later.
2. You must be signed into iCloud (iPhone Settings > iCloud).
3. For iOS 7: Documents & Data (iPhone Settings > iCloud > Documents & Data) must be set to ON.
For iOS 8 and later: iCloud Drive (iPhone Settings > iCloud > iCloud Drive) must be set to ON.
4. Open WhatsApp to start backup(WhatsApp Settings > Chats and Calls > Chat Backup> Back up Now)
5. There must be enough free space on both your iCloud and your iPhone
Make an iTunes backup with your iPhone
1. Connect your iPhone with your computer with USB cable.
2. Run iTunes and make a iTunes backup
3. There must be enough free space on your computer
Export all WhatsApp data from your iPhone directly
Connect your iPhone with your computer with USB cable.
Run WhatsApp Pocket
Chat WhatsApp messager, Extract and recover WhatsApp message from iPhone, iTunes and iCloud backup.
For Windows & Mac OS X
Select scan from iOS device and preview the chat message and save them to computer
Now, your all whatsApp data including photos, audios, videos will be stored in html file on your computer.
If your whatsApp data take up a lot of storage space on iPhone, it may lost video and audio when restore from iCloud backup. It happens on somebody sometimes. So I suggest that you make an iTunes backup on your computer if there are lots of media files. That will reduce your iCloud storage space and you can export all whatsApp data from iTunes backup anytime.
Three ways to prevent data from being erased when change a new phone number or sim card
Change to new phone number directly
1. Power down iPhone
2. Change SIM card
3. Turn iPhone on
4. change SIM card
5. launch WhatsApp
6. WhatsApp asks something like "Mobile network changed. Switch to new phone number?". Tap "No"
7. Now, all of WhatsApp data will be retained in your phone above. But if you switch phone numbers of ordinary, WhatsApp will send you a check code each time.
Restore WhatsApp from iCloud
1. Make an iCloud backup on your iPhone.
2. input your new phone number
3. Reinstall whatsApp
4. launch WhatsApp
5. Restore from iCloud backup
6. When you can't open your WhatsApp for some reason, it will be good choice to select.
Restore WhatsApp from iTunes
1. Make an iTunes backup with your iPhone.
2. Delete WhatsApp
3. Change to the new phone number
4. Restore from iTunes backup
5. When you select restore from iTunes, all of your iPhone data will replaced by iTunes backup, including with contacts, Photos and more.
6. Now, all of WhatsApp data will be retained in your phone above. But if you switch phone numbers of ordinary, WhatsApp will send you a check code each time.
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