I jailbroke my new PW3 (serial no: G090), updated to latest fw 5.8.10, installed plugins like kual, koreader without any issue but unfortunately none of the plugins worked. so later reset my device and tried again, hence problem got started.
Now after placing Kual KDK 2.0_azw2 on documents results kual showing error 'This device is not authorised as a test kindle by the developer of this item. Please contact the developer.' Just worrying that my device lost JB as for now.
Even can't downgrade to initia 5.7.4_bin as i've downgrade is not supported now for current version. Please tell me how to fix this issue?