This news was revealed by MacRumors who reported that he has viewed a memo from virgin mobile, who also announced that Apple will announce the phone option on 9th, April.2018.
According to the memo, the forthcoming iPhone 8 models in red will be part of Virgin Mobile's inventory by tomorrow. And Apple isn't expected to hold a new product event, but will announce the (PRODUCT) Red iPhone 8 and iPhone 8 Plus through a press release.
When Applelaunched the (PRODUCT) RED iPhone 7 and 7 Plus on a Tuesday, the phones were available online and at retail starting that Friday. Both models, the iPhone 8 and the iPhone 8 Plus, feature an aluminum and glass body, which gives the devices support for Qi wireless standing. If you were waiting for the iPhone X to arrive in a new finish, then you will be disappointed because there was no such information mentioned in this memo.
Several reports have suggested that Apple is planning a new color of its iPhone 8, and now it looks like the launch of that device is nearing. However, there have been rumours in the past that had indicated that the 5.8-inch flagship will see a new version coming soon to increase smartphone shipments, and it could 'Blush Gold' colour variant of the iPhone X. The bad news? There might not be a red iPhone X.
Lastly, and in regards to the notion that iPhone sales are slumping a bit, we won't know for sure until we see Apple's earnings report for the recent first quarter.
Here is the special edition rediPhone 7 launched a year ago.