Iphone 4s not working for my service?

I have an iphone 4s and i just updated to 9.1 cause i got rid of my jailbreak but when i put my sims card it will say searching then no service i have T-Mobile and i don't know what to do. I checked if it was the sims card and i tried it in another phone and it worked can anyone help me?

Added (1). it use to work before i updated it

Problem with iPhone 6 Plus and iPhoto?

Problem with iPhone 6 Plus and iPhoto?

Added (1). When I get on my iPhotos, i have a ton of photos that are old, and I would like to delete them, however, I can't. There's also a ton of albums being made off of the dates that each of the pictures were taken, and those also will not delete. Can anyone help me?

What are the icloud lock components on the iPhone 4s?

What are the icloud lock components on the iPhone 4s? - 1

Added (1). Hi,
I have 2 motherboards from an iphone 4s. One of them is damaged but it works.
the other one is fully functional but is icloud locked. What chips do i need to replace on the icloud locked
motherboard with the clean chips from the damaged (but working) motherboard?

Will uploading 7500 photos from iphone to macbook slow down my computer?

So basically i have a new macbook 13" retina and it has about 500GB In total with 380GB available. I want to upload about 7500 photos from my phone to my macbook, but i'm afraid itll slow down my computer a lot.

Does anyone have experience of some sort? Or have any advice

Added (1). oh and itll take about 100GB of space too

How to reset an iphone to factory settings?

Okay so a while ago I ejected my iphone from iTunes on my computer and now I really need to reset my phone to its factory settings.
I can't do it on my phone because it won't turn on no matter what I do.
And adding on to that, because I ejected my phone from iTunes, my device won't show up on iTunes when I connect my iphone to my computer with a USB.