Dn't use chimera tool

It is very say to sad that chimera tool always broken phone. please be care to use the chimera tool to remove frp lock with galaxy phone. see my record below.

#50131605 Dec 30, 2018 Samsung Samsung Galaxy A8 Duos Reset FRP Lock Error
#50131521 Dec 30, 2018 Samsung Samsung Galaxy A8 Duos Reset FRP Lock Error
#49960525 Dec 27, 2018 Samsung Samsung Galaxy Grand Prime VE SW Change Canceled
#49960220 Dec 27, 2018 Samsung Samsung Galaxy Grand Prime VE Reset FRP Lock Error
#49959901 Dec 27, 2018 Samsung Samsung Galaxy Grand Prime VE Reset FRP Lock Error
#49911401 Dec 26, 2018 Huawei Huawei Nova 2i / Mate 10 Lite FRP Remove Error
#49910759 Dec 26, 2018 Huawei Huawei Nova 2i / Mate 10 Lite FRP Remove Error
#49910419 Dec 26, 2018 Huawei Huawei Nova 2i / Mate 10 Lite FRP Remove Error
#49910074 Dec 26, 2018 Huawei Huawei Nova 2i / Mate 10 Lite FRP Remove Error
#49909865 Dec 26, 2018 Huawei Huawei Nova 2i / Mate 10 Lite FRP Remove Error
#49909514 Dec 26, 2018 Huawei Huawei Nova 2i / Mate 10 Lite FRP Remove Error
#49891600 Dec 26, 2018 HTC HTC Desire 728G (dual sim) Remove FRP lock Finished
#31645876 Jan 7, 2018 Huawei Huawei Y5II FRP Remove Finished
#31590460 Jan 6, 2018 Huawei Huawei Y3 2017 FRP Remove

Now my A8 are restarting.

Please help me any one.