Legitimate BlackBerry firmware usually comes from (for Android models) or official servers. Firmware files labeled "Pangu" could be modified ROMs. If you are posting this for an audience, it is responsible to advise them to check the source hash before installing.
The error on a BlackBerry 10 device generally indicates a software corruption issue where the device cannot boot into the operating system. It is frequently associated with the website www.bberror.com/bb10-0015 . blackberry firmware pangu bb100015
BlackBerry (iOS) Firmware Variant / Pangu Untether Component Version: BB100015 Release Context: iOS 7.1.x Jailbreak Utility Verdict: Essential for legacy devices, but strictly for the historical archive. The error on a BlackBerry 10 device generally
using an autoloader. This process will completely wipe your device data, so it should only be used if the phone is already non-functional. using an autoloader
Yes. Use the official BlackBerry OS Upgrade package for your device (e.g., BB100036 for 10.3.3). However, be aware that many enterprise‑certified devices were locked to OS 10.2.x by the carrier; you may need a carrier‑signed image to upgrade.