It’s been nearly a month since Android 9 Pie started rolling out and while several smartphone vendors have announced their update plans, Samsung and LG have yet to do so. Even so, the update will take months before it arrives on last year’s Galaxy S8, Galaxy S8+, and LG V30, phones that are on the receiving end of this month’s Android security patch.

AT&T is rolling out software version G950USQS5CRH1 for the Galaxy S8 and software version G955USQS5CRH1 for the S8+. The former’s update weighs 380MB and the latter’s 377MB and AT&T further notes that you need to have at least build CRF5 or CRG3 installed in order to qualify for the latest build CRH1.

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The same August 2018 security patch is also rolling out to T-Mobile’s LG V30 and V30+. The new software version is H93220k and like the S8 twins, the V30 update is based on Android 8.0 Oreo.

Related: LG V30 update news

OTA updates can take days or even a week before all devices get the download notification, so you’ll have to be patient. Alternatively, you can try forcing the update in the Settings menu, but there’s no guarantee this method will be successful.