Patent ID: 11910197
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: IT methods for management (Electrical engineering)
Classification: CPC B  H  G | IPC H

Claim 9:
10. A second device, comprising:
a memory configured to store instructions; and
a processor coupled to the memory and configured to execute the instructions to cause the first device to:
receive a trigger request to perform a first service, wherein the first service is either an unlocking service or a payment service;
send a first identifier to a first device, wherein the first identifier is in a first state or a second state, wherein a second location of the second device or a first location of the first device is abnormal when the first identifier is in the first state, and wherein the first location or the second location is normal when the first identifier is in the second state; and
perform the first service if the second device receives a second identifier from the first device, wherein the second identifier indicates to perform the first service; or
if the second device receives a third identifier and first location information from the first device, determine, based on the first location information, whether the location of the first device is valid, wherein the first location information is of the first device, wherein the third identifier indicates that the first location and the second location are normal when the first identifier is in the second state, and wherein the first identifier in the first state, the first identifier in the second state, the second identifier, and the third identifier are different identifiers; and
perform the first service if the location of the first device is valid.