Help/Support iCloud storage option help needed

[iiskillz 9 iPhone 6s Plus 11.1.2]

So I'm trying to delete backups And I keep getting error cannot delete backup any fix

 

Phone: iPhone 6s Plus

IOS: 9.0.2

[STRINGCEIL 583 27 9.3.3]

Use iTunes on pc

[iiskillz 9 iPhone 6s Plus 11.1.2]

Use iTunes on pc

there is some app i don't want to be backed up 

[STRINGCEIL 583 27 9.3.3]

there is some app i don't want to be backed up

 

use iTunes pic to delete the back up

[Cycas 4.1k iPad Air 13.5]

there is some app i don't want to be backed up

 

Disable backup in settings

 

Download iCloud on PC it's the best to manage iCloud

[castix 18.4k iPhone X 12.1.1]

With iBackupBot you can edit what should be saved and what not

[iiskillz 9 iPhone 6s Plus 11.1.2]

With iBackupBot you can edit what should be saved and what not

can i trust this 3rd part app? i only want to back up my whatsapp messages and my games can i not do this using iTunes ? 

[castix 18.4k iPhone X 12.1.1]

can i trust this 3rd part app? i only want to back up my whatsapp messages and my games can i not do this using iTunes ?

 

Yes

[Naeemjr 35k 9.1]

can i trust this 3rd part app? i only want to back up my whatsapp messages and my games can i not do this using iTunes ?

 

Is it solved )

[iiskillz 9 iPhone 6s Plus 11.1.2]

Is it solved )

Na im at work i be home 18:30 i will test it and message you