Sony is making the Android M Developer Preview available for some of its devices - but while Google releases complete factory images of new Android versions, Sony isn't making things quite that easy.
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With its Android 5.0 rollout now finalized, Sony has announced its plans to release Android 5.1 from July for many of its devices - but it appears that many devices will not be upgraded.
Sony has released its Android 5.0 update for two more handsets in its range, and promises that it will roll out the Lollipop update to four of its Xperia Z-Series devices "in the next few weeks".
Sony has begun rolling out its Lollipop update to even more devices, including the Xperia Z1 and Xperia Z3 Dual, among others - and its global rollout will expand to more phones and tablets next week.
Sony has confirmed that Android 5.0 is now rolling out to its Xperia Z2 and Z2 Tablet, and has also announced when some of its other Xperia devices will get their first lick of the Lollipop update.
Sony is now rolling out Lollipop to its Xperia Z3 and Z3 Tablet Compact worldwide - but the company has also announced two devices not in the Xperia Z-Series that will soon get the Android 5.0 update.