When the Tbox 450 shows Google Store/Google Play error, upgrade the following firmware and reset the box after the upgrade. (You need to install ota.apk in the box first)

Link (version 231023):
https://drive.google.com/file/d/1L-8JtReBKMgfhBGIAI70hOGMupROIkMi/view?usp=sharing

OTA.APK
https://drive.google.com/file/d/13kr-BO6s_FK3tt1KFmseVrQJMVe1erf6/view?usp=sharing