I have a Samsung Galaxy SM-J260A and it won't pick up any service and the phones carrier is at&t and they can't help me
Have you activated a Public Mobile SIM card and inserted it in the phone?
Try one or more of the below:
*turn off your phone, leave off for a minutes, then reboot
*removing your SIM for a few minutes, then reinserting it
*go into airplane mode for a few minutes, then going back to regular mode
*reset network settings
Check for outages in your area: https://www.telus.com/en/on/outages
Are you a new customer? Just activated a plan? ported over a number?
Is the phone locked to AT&T? or is phone blacklisted?
You could try the SIM card in another working phone. this helps determine whether hardware issue versus Public mobile service problem.
The actual phone should be compatible with Public mobile.
HSPA/UMTS (3G/4G): 850, 1900, 2100
4G LTE (Domestic): 2, 4, 5, 12, 14
Public Mobile uses the following frequency bands:
The phone is not blacklisted and the sim works in another phone and yes I just a activated it as a new customer
Contact your previous provider to unlock it for you, at no charge to you.
You will need your imei number, dial *#06# to get it.