HTC M9 Will Not Stay Connected to Network Extender

[mikefightsfire]

We have several HTC M9s. Coverage is poor so we bit the bullet and bought a NE. The phones will hang on to a very weak, unusable really, 4g signal instead of connecting to the NE- until the signal fades completely and drops a call. This means the phones are constantly dropping the connection to the NE. All of the phones are less than 2mo old. How to fix this?

[Snn5]

Make sure Advanced Calling is disabled.

[vzw_customer_support]

We want to make sure you are able to use your devices with the Network Extender, mikefightsfire. Snn5, has provided a very helpful tip. To disable Advanced calling, please go to Settings>Advanced Calling and disable it. Once you have disabled, try dialing #48. This is a test call which will advise you if you are connected to the extender. Please keep us posted.

AndreaS_VZW
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[mikefightsfire]

Thanks much!