Since Winterbreak/Mesquito does NOT work on firmware 5.18.1 ,
I've tried to jailbreak my Kindle PaperWhite 4 (10th Gen) 5.18.1 with Adbreak hundreds of times.
my IP address is in Japan, but my account is set to AMAZON US. I've added a US address and credit card, and SPECIAL OFFERS is active by default, which means I should be able to see ads, but I haven't seen a single one.
Even after my first factory reset, the “View all ADs” tab disappeared...

I've tried countless times, even reflashed the device, but no ads appeared, not even once...
Dose anyone or experts know how to fix this?
my firmware version is :Kindle 5.18.1(4417610025)