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Applicable products： HUAWEI P20(single sim card 4gb+64gb、single sim card 4 gb + 128 gb、dual sim card 4gb+64gb、dual sim card 4 gb + 128 gb)，HONOR 20(dual sim card 6gb+128gb)，HUAWEI P30(single sim card 6gb+128gb、dual sim card 6gb+128gb、dual sim card 8gb+128gb)，HONOR 20 PRO(dual sim card 8gb+256gb)，HUAWEI Mate 20 X(dual sim card 6gb+128gb)，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 Mate 20 Pro(dual sim card 6gb+128gb、single sim card 6gb+128gb)，Honor View 20(dual sim card 6gb+128gb、dual sim card 8gb+256gb)，HUAWEI P20 Pro(single sim card 6 gb + 128 gb、dual sim card 6 gb + 128 gb)，HUAWEI Mate 20 X (5G)(dual sim card 8gb+256gb)，PORSCHE DESIGN HUAWEI Mate 20 RS(dual sim card 8gb +256gb)，HUAWEI Mate 20(dual sim card 6gb+128gb)