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Samsung S22 Ultra + Phonak L70: Bluetooth audio issue

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I’m posting to see whether others have experienced something similar, and to share what I’ve learned so far.

I’ve been using Phonak L70 Bluetooth hearing aids with a Samsung Galaxy S22 Ultra. Over time, I experienced a persistent issue where audio output during calls would unpredictably switch away from the hearing aids, even though they remained connected. When this happened, call audio would suddenly route to the phone speaker or elsewhere, making conversation unreliable.

I went through extensive troubleshooting over several months, including:

resetting Bluetooth and network settings
removing and re-pairing the hearing aids
factory resets and clean setup
testing with and without other Bluetooth devices
same issue with Signia 71X hearing aids
testing before and after One UI / firmware updates
wiping the system partition cache (which produced only a brief improvement before the issue returned)

Importantly, the same hearing aids work reliably with an older Samsung phone, which helped rule out the aids themselves as the cause.

Samsung Product Support confirmed to me in writing that this is a firmware-related issue, but would not confirm whether or when it would be resolved in future updates. After months without a reliable fix, I ultimately moved to a newer phone model, where the issue does not occur using the same hearing aids.

I’m not posting this to assign blame, but to ask:

Have others seen similar Bluetooth audio routing issues on the S22 series?
Does this occur with other hearing aid brands/models, or primarily with Phonak?
Has anyone found a durable workaround?

I’m particularly interested in experiences involving firmware updates or One UI changes, as the behavior appeared to worsen over time rather than improve.

Any insights or shared experiences would be appreciated.

4 people in this conversation3 min readJump to latest

That’s a strange issue for sure and it appears you’ve taken all the proper steps to resolve.

I’ve worn hearing aids since 2019, all Phonak, Marvel 70s, Lumity 90s and now Infinio 90 Sphere; using Samsung 9+ and now Samsung S23 Ultra with One UI 8,0

Samsung and Phonak have always worked well together. The only issue I had was between the My Phonak app and the ; an issue widely reported here but since seems to have been resolved.

If you’re having similar problem as mine but with another Samsung model, I’d appreciate knowing which model. If you’d like I can send you a copy of my troubleshooting steps that I sent to Samsung Product Service.

Vic

Having read your report I just wanted to say well done for taking the time and effort to resolve this issue on behalf of us all.
Fortunately I’m still on a Note 8.

I highly expect your problem would be resolved with my troubleshooting steps. Before getting S25 Ultra which worked fine, I also got a used S9 which also worked ok. An authorised Samsung service rep told me he’d seen problem on phones newer than Note 10 and said issue was caused by hearing aid manufactuer firmware. I debunked that excuse by trying Signia aids which also had the issue but to a.lesser extent. In all, I tried 2 L70’s, 1 M70, & 2 Signia 71X’s.. Oddly enough, on the same day Samsung Product Support confirmed by email that issue was caused by phone firmware, I also received another email from a different respondent in Samsung Support on a one-step removed thread, a couple of minutes apart, saying issue was aid mfr, firmware, Both threads included details on my testing with both Phonak & Signia’s. So I’m hoping to find other users with post Note 10 and pre S25 with same issue. I highly suspect any user who experienced the same issue with Samsung phones in this period, have long-since given up and changed phones. I lived with the issue for a couple of years because I mostly used the S22 to communicate with my daughters and always thought problem was associated with ear wax in domes, and switched to speakers.

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