U Mobile Sdn Bhd will be undergoing scheduled system upgrades and maintenance this July and August.

Some customers may experience service interruptions during the dates and hours on July 18, August 3, August 8 and August 9 from 12.00 am until 6.30 am, the telecommunication company said in a statement.

All services would be fully restored by August 10, 2017.

"U Mobile apologises for any inconvenience caused and is committed to ensure that the system upgrades and maintenance efforts are completed with minimal interruptions to our customers," it said.

For more information, contact U Mobile's Customer Service Hotline at +6018-388 1318.

-- BERNAMA