Erase Contact Traces

Applicable products： HUAWEI P50 Pocket(dual sim card  8gb+256gb（bali-l29c）)，HUAWEI nova 7(dual card 8gb+256gb)，HUAWEI P30(single sim card 6gb+128gb、dual sim card 6gb+128gb、dual sim card 8gb+128gb)，HUAWEI P50 Pro(dual sim card 8gb+256gb)，HUAWEI Mate 20 Pro(dual sim card 6gb+128gb、single sim card 6gb+128gb)，PORSCHE DESIGN HUAWEI Mate 30 RS，HUAWEI Mate 30(dual sim card 8gb+256gb、dual sim card 8gb+128gb)，Honor View 20(dual sim card 6gb+128gb、dual sim card 8gb+256gb)，HUAWEI Mate 20(single sim card 6gb+128gb、dual sim card 6gb+128gb)，HUAWEI Mate 40 Pro(single sim card 8gb+256gb、dual sim card 8gb+256gb)，HUAWEI Mate 20 X (5G)(dual sim card 8gb+256gb)，HUAWEI P40 Pro+(dual sim card 8gb+512gb)，HUAWEI P40 Pro(single sim card 8gb+256gb、dual sim card 8gb+256gb)，HONOR 20(dual sim card 6gb+128gb)，HUAWEI Mate 20 X(dual sim card 6gb+128gb)，HONOR 20 PRO(dual sim card 8gb+256gb)，HUAWEI P30 Pro(single sim card 8gb+256gb、dual sim card 8gb+512gb、single sim card 6gb+128gb、dual sim card 6gb+128gb、dual sim card 8gb+256gb、single sim card 8gb+128gb、dual sim card 8gb+128gb)，HUAWEI nova 9(dual sim card 8gb+256gb)，HUAWEI Mate 30 Pro 5G(dual sim card 8gb+256gb、dual sim card 8gb+128gb)，HUAWEI Mate 30 Pro(dual sim card 8gb+256gb、dual sim card 8gb+128gb)，HUAWEI nova 8(dual sim card 8gb+128gb)，HUAWEI P50 Pocket Premium Edition，HUAWEI nova 5T(dual sim card 6gb+256gb、dual sim card 6gb+128gb、single sim card 6gb+128gb、single sim card 6gb+256gb)，HUAWEI Mate Xs，HUAWEI P40(single sim card 8gb+128gb、dual sim card 8gb+128gb)