Even if you bypass the bootloader, the new PLL (Phase-Locked Loop) chip is locked via a laser-cut fuse inside the IC. You can no longer write to the frequency divider registers outside the pre-defined band. The "Idea" patch relied on writing to an undocumented register; that register now reads only zeroes.
This was not a software update you could install. It was a embedded in the microcontroller mask ROM. Here’s what changed: swissphone psw900 idea patched
: Enable encryption settings that might be greyed out in standard trial or restricted versions. Bypass Version Checks Even if you bypass the bootloader, the new