The screenshots come from the popular Polish forum,, and they show new developer options and changes to the network and SIM settings, among other few minor details. However, the images do not unveil any significant changes in the operating system. Windows 10 build 10534 is likely to be an internal build, as such we’re not expecting this to be the next build number the company will release to Insiders. Windows 10 mobile 10534 Windows 10 mobile 10534 settings Windows 10 mobile 10534 storage settings Early this week, when Microsoft released Windows 10 build 10532 for PCs to Insiders, the company acknowledged that it hasn’t shipped a mobile preview for quite some time and promised that a new preview for smartphones is coming very soon. Source WindowsMania via WinBeta All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.