HSBC Holdings Plc's (HSBC  ) British customers face difficulties using the bank's mobile and online banking services, disrupting their Black Friday shopping experience.

The bank acknowledged the issue on its X account, previously known as Twitter, and is urgently investigating it.

HSBC confirmed the disruption, particularly in authorizing card purchases through the mobile app, but noted that customers can still confirm purchases using a one-time code received via text message.

Over 4,000 users reported problems on Friday morning, as per Downdetector. The number of users facing the issue was reduced later.

Close to 63% of users faced problems with mobile banking, 23% with online banking, and 15% with mobile login.

Price Action: HSBC shares traded higher by 1.45% at $38.59 on the last check Friday.