Hi Junkmail,
I understand how important it can be to recover photos from an old phone, especially when they may contain memories that cannot be replaced.
At this point, I recommend that you review and try the steps provided in the AI generated answer on your thread. That reply typically include the most relevant checks for this scenario.
Since OneDrive appears empty, could you confirm whether the live.com address was the Microsoft account actually signed in on the Windows Phone, and whether automatic photo upload had been enabled at the time? Please also check OneDrive > My files > Pictures > Camera Roll, as this was a common location for uploaded phone photos.
If possible, look for another Microsoft account that may have been used on the phone. It would also be worth checking the original phone, its microSD card, and any computer previously connected to it, since the pictures may have remained stored locally rather than being uploaded.
Unfortunately, if the photos were never uploaded and no copy remains on the phone, memory card, computer, or OneDrive, there may not be an online backup available to recover. Thank you so much for your understanding.
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