Your smartphone and / or tablet is just begging for an update. From time to time, these mobile devices are blessed with maintenance refreshes, bug fixes, custom ROMs and anything in between, and so many of them are floating around that it's easy for a sizable chunk to get lost in the mix. To make sure they don't escape without notice, we've gathered every possible update, hack, and other miscellaneous tomfoolery we could find during the last week and crammed them into one convenient roundup. If you find something available for your device, please give us a shout at tips at engadget dawt com and let us know. Enjoy!

Official Android updates

  • Motorola Droid X: Verizon has announced a small but important update that brings security fixes and improves the reliability and accuracy of emergency alerts. [Android Police]
  • Nexus 7 (2013): A small update weighing in at 15MB is rolling out for the LTE version of the latest Nexus 7. The JLS36C release carries a handful of bug fixes along with an updated radio file. [Android Police]
  • Motorola Moto X: An official bootloader unlock tool is now available for the newly released Sprint and US Cellular versions of the Moto X. Due to carrier agreements, a bootloader unlock tool won't be released for the AT&T and Verizon models. [Android Central]

Unofficial Android updates, custom ROMs and misc. hackery

  • CyanogenMod: Release Candidate 2 of CyanogenMod 10.1.3 is now out, which should be available for 90 devices in all. This release also brings support for the Oppo Find 5, the Nook HD and Nook HD+. [CyanogenMod 1, 2]

Other platforms

  • HTC 8X: Windows Phone 8 GDR 2 is now available from T-Mobile in the US, and unlike what you'll find from some carriers, this update includes Data Sense. [WPCentral]
  • Nokia Lumia 925: A minor update is available from T-Mobile that brings "user experience improvements" to the table. [WPCentral]
  • BlackBerry Z10: At long last, an update is available from T-Mobile that enables WiFi Calling. BlackBerry OS 10.1.0.4780 weighs in at nearly 150MB, which also brings a handful of bug fixes. [CrackBerry]
  • Samsung ATIV S: An interop unlock method is now available for this handset, which makes it a first of its kind for a Windows Phone 8 device. While it's not for the faint of heart -- or all that useful, at the moment -- it could be the catalyst for a more vibrant hacking community around the ATIV S. [WPCentral]

Refreshes we covered this week