I had Huawei phones and I remeber that the battery optimization was pretty aggressive..
You have to check the battery manager of the oruxmaps app
https://nine-faq.9folders.com/articles/16876-how-to-turn-off-battery-optimization-on-the-huawei-devices
this might help.
You have to check the battery manager of the oruxmaps app
https://nine-faq.9folders.com/articles/16876-how-to-turn-off-battery-optimization-on-the-huawei-devices
this might help.