Xiaomi has also acknowledged a problem with calls for the POCO F7 Ultra, stating it is working on a solution for it. Apparently, some individuals cannot hear calls when a particular update for HyperOS has been installed, according to an explanation from the tech firm. This bug was spotted on the OS3.0.3.0.WOMEUXM system and is under tech analysis at the moment, as released by Xiaomi through their official forums. This update, and other related ones, can also be followed at HyperOSUpdates.com as well as at XiaomiTime.com.
Status the call issue for the POCO F7 Ultra enhancement request
The issue has been identified by Xiaomi as a known problem, which has been acknowledged by the company, implying that this problem is not being overlooked but is, in fact, being considered carefully by Xiaomi. Currently, the attention is directed at determining the cause rather than implementing a temporary remedy for this problem in their next release.
The impacted device is only the POCO F7 Ultra, which is the international variant of the REDMI K80 Ultra, whereas the impacted software version is OS3.0.3.0.WOMEUXM. None other have been known to have this issue at this point and appear to only be version related.
Xiaomi collects user logs for in-depth analysis
To speed up this troubleshooting process, Xiaomi has already begun to contact users affected by this issue and has asked for logs. The role of these logs is crucial in determining if this bug has something to do with audio drivers, modems, or call handling at the Hypers OS level. Xiaomi made it clear that user collaboration will help speed up this troubleshooting process and will also enhance the accuracy of the solution.
What affected users can expect next
Currently, Xiaomi has not announced a concretes release date yet on when the update will be released to fix the call audio issue mentioned above. However, based on previous HyperOS maintenance, the solution is usually delivered on a small incremental OTA update after a certain amount of data has been accumulated.
In the meantime, it is recommended that users update their devices, cooperate with the logging participation, and wait for official notifications. Xiaomi’s open communication about this matter portrays the structured approach by the organization in software quality control, especially concerning the flagship level of devices from POCO.

Emir Bardakçı