Replies posted by manotee

6 Replies

J
Jim8046First activity
asked in Coverage & Signal

WIFI Calling Preferences Being Forced to Cellular Preferred

I am breaking my promise. I am making one more post as a T-Mobile customer.I am leaving T-Mobile for CREDO Mobile. I do this with regret. When I joined T-Mobile it supplied voice reliability through Wi-Fi calling. As long as my Wi-Fi was working, my phone used Wi-Fi calling with no problems. If I had any problem, T-Mobile Customer Care came up with the solution.This all changed with a software upgrade two years ago. Wi-Fi calling became unreliable, and my voice quality suffered. It kept getting worse. I started losing calls.Over the past months I have put a lot of effort into trying to get T-Mobile to fix the problem. Calls to customer care did not provide a solution, and a promised callback from technical support never happened.A letter to customer care at headquarters resulted in a call from a customer care rep, but my cell phone quality was so bad we had to switch to my land line, and then to emails. Still no solution, although I was offered a discount on a new iPhone.I then searche

83
K
2 months ago
J
Jim8046First activity
asked in Coverage & Signal

WIFI Calling Preferences Being Forced to Cellular Preferred

This will be my last post on the Wi-Fi preferences changed issue. Once I switch carriers, I will have no reason to say anything else.I have three issuesMy Calling preference for Wi-Fi calling being changed to Cellular against my wishes. No, my preference didn't change, it was changed without my permission. While using Wi-Fi calling, some incoming calls are missed. This has no relation to #1, since it happens when I am in Airplane mode with Wi-Fi and Wi-Fi calling turned on. My preference for Wi-Fi calling isn't changed. T-Mobile customer support does not have the practices and procedures to support their customers with this issue. T-Mobile and Samsung seem to not have the competence or desire to fix this issue.I switched to T-Mobile specifically to get Wi-Fi calling. We traveled to Sedona on vacation and stayed in a resort in the Oak Creek Canyon wilderness area. The resort offered Wi-Fi, but there is no cellular service in this area. To use my cell phone, I would need Wi-Fi calling. M

83
K
2 months ago
J
Jim8046First activity
asked in Coverage & Signal

WIFI Calling Preferences Being Forced to Cellular Preferred

I set my Galaxy S9 to airplane mode, then turned on Wi-Fi and Wi-Fi calling last night. It should never switch to cellular and always be active on the internet. This afternoon, I called my cell from my home phone and got the message ‘This phone is not accepting calls, try again later’. Five minutes later I tried again and my phone rang almost immediately. Five minutes later I tried again and after about 30 seconds I was sent to my voicemail. This has to be a phone and T-Mobile Wi-Fi calling network issue.There is no workaround for this problem, and T-Mobile and Samsung seem unable to fix it. If you need to use Wi-Fi calling when you have poor cellular service, expect to miss a lot of calls.The only fix on T-Mobile is to switch from a Samsung phone to another cellular phone company product. This probably means a phone upgrade at regular price to fix a problem caused by T-Mobile and Samsung. If you like Samsung phones, like I do, the solution is to switch to another cellular provider. I

83
K
2 months ago
J
Jim8046First activity
asked in Coverage & Signal

WIFI Calling Preferences Being Forced to Cellular Preferred

I am working with T-Mobile corporate to try to resolve/mitigate my issues. Like most here, I have the Wi-Fi optimization issue, switching from Wi-Fi to cellular, even though I am just feet away from a very good ASUS router. My cellular signal strength varies from 2-3 in the best location to 1 or none in other areas. I want to be able to take my phone anywhere in my house and not lose a call. This originally worked great with Ethernet connected CellSpot routers, but died after a software update. Many updates later and still doesn’t work reliably. I since upgraded to ASUS RT-AC86U routers, hoping to have better connectivity and reducing the impact of leaving T-Mobile. Didn’t help my Wi-Fi optimization problem, but my kids notice the faster speed when they visit.Call support was no help. Every suggestion failed.I have an additional issue that I haven’t seen explicitly addressed. I frequently have incoming calls routed directly to voicemail after what seems to be a futile attempt by the T-

83
K
2 months ago
J
Jim8046First activity
asked in Coverage & Signal

WIFI Calling Preferences Being Forced to Cellular Preferred

I continue to have the “Wi F calling preferences updated to optimize network experience” message appear on my Galaxy S9 constantly. It is changed from Wi-Fi to cellular, even though I have only one bar on cellular service and am 5 feet away from my ASUS RT-AC86U router. It seems like I miss calls when it is reset to cellular preferred.I have many issues with this unwanted “service”. If I set a preference, it is what I want and I expect my preference to be honored. Is this reset only on my phone, or is it also recognized by T-Mobile so if I get a call T-Mobile will only use cellular and not work if I don’t have sufficient coverage?T-Mobile has replaced my SIM card, but that didn;t help. There was a suggestion to clear the cache partition and reset network connection. I have done this repeatedly and it doesn’t work.It looks like I have three solutions: Take my Galaxy S9 to AT&T, stay with T-Mobile and replace my Samsung with a different manufacturer’s cell phone, or go to Spectrum/Ve

83
K
2 months ago
J
Jim8046First activity
asked in Coverage & Signal

WIFI Calling Preferences Being Forced to Cellular Preferred

I have been frustrated with this issue for some time. I switched to T-Mobile years ago when they were the first to offer Wi-Fi calling. I needed it for a vacation, as the resort we stayed in had no cellular signal.It worked fine for many years, always staying Wi-Fi preferred, until a software update caused it to start resetting to Cellular, even as I sit with 3 feet of my router. I switched from T-Mobile CellSpot router (ASUS RT-AC68U) to a pair of ASUS RT-AC86U routers with latest AIMesh firmware. No difference.I update software every time it is offered, but can’t get Wi-Fi preferred to stay. With the latest November update, Wi-Fi preferred will stay for several days and then seemingly hourly continue to switch to cellular.I have done the network reset and clear cache partition, but didn’t change a thing.The last time I reported this to T-Mobile they replaced my SIM card, but didn’t fix it.T-Mobile suggest S10 customers turn off 5G, but that isn’t an option for my S9.I tried the Airpl

83
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2 months ago
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