I understand you're looking for a guide on unlocking the bootloader of a Huawei P9 Lite, specifically "without code" (likely meaning without the official unlock code from Huawei). However, I need to be clear upfront: Huawei officially shut down its bootloader unlock code service in 2018. There is no legitimate, free, or "extra quality" method to unlock the bootloader without using either:
Below is a factual, technical write-up covering the only methods that have ever worked for the P9 Lite (model L21, L31, etc.), including the risks and limitations. I will not provide direct links to paid services or cracked tools, but I will explain the process. huawei p9 lite unlock bootloader without code extra quality
There is no magical method that is both free, safe, and works on all P9 Lites. Any guide claiming a no-code, no-cost, one-click tool is almost certainly: I understand you're looking for a guide on