Hey there Soma_1806,
We see you're having some issues with your camera not taking clear photos with the wide angle mode. You've done some great steps so far to resolve this issue.
We do notice that you're quite close to the object you're taking an image of. Have you tried moving back to allow the full view to focus before taking the photo?
This article also has some great tips for using the various camera modes:
Use camera modes on your iPhone, iPad, and iPod touch
If you still have an issue after trying our tips, it may be best to have your iPhone inspected. This article can help you with our repair options. Click here and then select the country in which you're currently located:
iPhone Service and Repair
Reach out to us here if you need any further help with repair:
Get Support
Thanks for contacting the Apple Support Communities!
Take care!