Cannot transfer account from old iPad to new (no prompt) using Signal version 7.86.2

[sDebke]

• I have searched open and closed issues for duplicates
• I am submitting a bug report for existing functionality that does not work as intended
• This isn't a feature request or a discussion topic

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Bug description

It is not possible to transfer a Signal account from an old iPad to a new one, both using Signal version 7.86.2. No prompt is shown on the old device. No error or any message is shown. All suggested checks were done: local network, wifi, bluetooth etc. all correct.

One day earlier this process was done on another set of old & new devices with success. Version details of both sets of devices (working and not working) below.

Very similar to this bug: #6149, but with a newer version of the Signal app.

Steps to reproduce

• install Signal on new device
• choose option "transfer from device"
• open Signal on old device
• continue on new device to display QR code and let it search for local devices

Actual result: Nothing happens. No prompt is displayed on old device. No errors.

Expected result: A prompt to start transferring the account and data from old to new device.

Device info of devices with the issue

Old Device: iPad 7th gen (MW742LL/A)
iOS version: 18.5
Signal version: 7.86.2

New Device: iPad 11th gen (A16, MD3Y4TY/A)
iOS version: 26.1
Signal version: 7.86.2

Device info of devices without the issue

Old Device: iPad 5th gen (MPZF2LL/A)
iOS version: 16.7.12
Signal version: 7.82

New Device: iPad 11th gen (A16, MD3Y4TY/A)
iOS version: 26.1
Signal version: 7.86.2

Link to debug log

No crash or debug log. No crash or other error.

[sashaweiss-signal]

Hi, can you please provide debug logs from both devices? You can collect debug logs from the new device by entering the setup flow, then tapping 8 times anywhere on the screen. We're not able to reproduce this, and without logs there's not much we can do.