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Replying to:
Re: Error 31: Other network problem
dwhiteTS
Enthusiast - Level 2

I have this same problem:

I own two phones on the same Verizonwireless account:

1. a Samsung Galaxy S8+ that I have had for 6 months

2. An iPhone 10XR that I bought yesterday.

The iPhone can text with other iPhones.... but:

a. I can't send a text from the VZW iPhone to the VZW Galaxy S8+ on the same VZW account, and

b. When attempting to send a text from the VZW Galaxy S8+ to the iPhone, the Galaxy reports "Error 31: other network"

The Error 31 fails when I am in service area of 93021.

When I am at my house where there is no cell service at all and we are on WiFi, the galaxy does not report the error, but the messages fail to send either way.