Unlock key issue

Hello Dear Team

i bought 2 mimosa radio model B5C with complete pack from one store in market , he told me both of them have unlock key and start then use it . after 3 month our project started and unfortunately when i turn them on i saw one of them already unlocked and the other one not !! he did not delivered any unlock key to me and now i can not have access to him , i need help , i need the unlock keys ! no any information i have from him and just my pack with radio and bill is here . please help i require the keys to unlock them when reset factory or any keys .

BR

Please contact to customer support.

Contact Mimosa Support and have your Invoice ready, they will require that the Invoice has the serial numbers of the devices on it…