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Skilled
iTunes definitely backs up text messages. I can 100% confirm this for myself because I have restored iPhones (mine, and two other friends') multiple times and all of those times the smses were back on the iphone after I restored the phone and then retrieved an earlier backup. Oh and I forgot to mention, the backup includes your iphone photos (that is, those shot with the iphone camera) as well.
How it works is like this. Once you've restored your iPhone, iTunes will show you the iphone connected and offer you two options. 1. Setup as a new iphone, and 2. Recover earlier backup.
If you choose the latter, then text messages, iphone photos, notes, and contacts are all put back on the phone. I repeat, I have done this myself and can 100% confirm that it works.
I hope this answers your query.
Regarding this, I'm a bit confused:
How it works is like this. Once you've restored your iPhone, iTunes will show you the iphone connected and offer you two options. 1. Setup as a new iphone, and 2. Recover earlier backup.
If you choose the latter, then text messages, iphone photos, notes, and contacts are all put back on the phone. I repeat, I have done this myself and can 100% confirm that it works.
I hope this answers your query.
Regarding this, I'm a bit confused:
Why do you need to update your iphone at all?Either way, I need to upgrade it nonetheless, so it's unavoidable.