Samsung s20 T-Mobile unlocked can't connect to cellular

[Mattnic]

I have tried all of these and I've tried my phone in at least 30 other devices and it works normal.

If it were locked you would think a network code box would appear when I insert another sim.

However it only says searching. I wonder if the phone my have network connection issues .

[computergeek541]

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@Mattnic wrote:

I have tried all of these and I've tried my phone in at least 30 other devices and it works normal.

If it were locked you would think a network code box would appear when I insert another sim.

However it only says searching. I wonder if the phone my have network connection issues .

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Yes: An android phone would defiinitely ask for an unlock code if the phone were still locked to T-Mobile.  Even if the device was blocked out from unlocking incorrect codes being entered, you'd still be prompted for the master unlock code.

[z10user4]

Being a 5G capable phone make sure you don't have 5G as your network type. Set it to start at 4G LTE or even 3G WCDMA UMTS HSPA.