Sony has the Xperia Z1 compact spontaneously missed an update on Android 4.4.4 KitKat. Build number 14.4.A.0.108. It is available according to Xperiablog so far in only three countries: Italy, Russia, and Indonesia. An official changelog does not exist apparently still.
Recently Android 4.4.4 is already for nexus devices editions, as well as some other models released – mainly to some bugs to eliminate Google play, which had infiltrated with the previous version, this Android 4.4.3 had itself already been planned as bugfix update. With this release, many users however complained about problems with sending messages or batteries that are too quick to empty. On the nexus 4 there was spontaneous reboots on some devices. The Z1 compact owner reported an incorrect sound output after the update to 4.4 KitKat. Whether and to what extent the new update is bug free, will still turn out must.
Still No Fix For The Xperia Z In Sight
A certification of the update should have been made already ultra according to Xperiablog of the PTCRB Xperia Z1 and the Z organization. The rollout of these models but still does not seem to have started. If and when Android 4.4.4 for the Xperia Z1 Compact also to us is still uncertain. Still remains to hope that also the Xperia last rather unjustly treated with updates, Z Gets an update soon. Most recently there was also problems with the battery life. Although a workaround exists for this purpose, a satisfactory solution is different.