Here are a couple of things you should know -

You'll have to download application loader on your MAC computer. Help doc.
The iOS app upload is divided into two parts. Once the part one is completed, we will share the IPA with you.
We will help you with the Bundle ID (plobaltest1 is used an an example here)

Here's the part one -

Go to – developer.apple.com/account > Go to – Certificates, ID’s & Profiles

(Please download all the files at every step & email them on support@plobalapps.com)

1. Go to Devices:

> Click on All > Click on + (Upper right corner) > Register Multiple Device -> Choose Attached File (multiple-device-upload-ios.txt) > Continue > Done

2. Go to Certificates > Production > Click on + (Upper right corner) > In the Production section select"App Store and AdHoc" > Upload Attached CSR File(productionPlobal.certSigningRequest) > Next and download > Done.

3. Go to Identifiers > App ID > Click on + (Upper right corner) > Registering an App ID

> App ID Description : iosappplobaltest1

> App ID Suffix: Explicit App ID -> Budle ID: ios.app.plobaltest1

> App Services : Enable Associate Domain, Enable Push Notification

> Continue

> Register > Done

For Rich File :

Again, Go to Identifiers > App ID > Click on + (Upper right corner) > Registering an App ID

> App ID Description : richiosappplobaltest1

> App ID Suffix: Explicit App ID ->Budle ID: ios.app.plobaltest1.rich

> Continue

> Register > Done

4. Go to Certificates > Production > + > In Production section > Apple Push Notification Service SSl ( Sandbox & Production) > Continue > Upload Attached CSR File (productionPlobal.certSigningRequest) > Next and download

5. Provisioning Profiles:

For Creating distr Certificate:

> All -> + -> Distribution -> App Store -> Select Bundle ID(ios.app.plobaltest1) -> Select Certificate -> Continue -> Profile Name -> plobaltest1Distr -> Download

For Rich File

> All -> + -> Distribution -> App Store -> Select Bundle ID(ios.app.plobaltest1.rich ) -> Select Certificate -> Continue -> Profile Name -> richplobaltest1Distr -> Download

For Creating AdHoc Certificate:

> All -> + -> Distribution -> AdHoc -> Select Bundle ID(ios.app.plobaltest1) -> Select Devices -> Profile Name -> plobaltest1AdHoc -> Download

For Rich Adhoc Certificate:

> All -> + -> Distribution -> AdHoc -> Select Bundle ID(ios.app.plobaltest1.rich ) -> Select Devices -> Profile Name -> richplobaltest1AdHoc -> Download

Part 2 -

Now, please contact support@plobalapps.com for the IPA & once you have it, follow the below steps -

Go to -https://appstoreconnect.apple.com Goto- My App > Click On + button >
Select New App:
Platforms: iOS
Name: YOUNIQUE Boutique
Primary Language : US
Bundle ID : ios.app.youniqueboutiqueadmin
SKU : youniqueboutique
Create >App Information
Privacy Policy URL : Your website's privacy policy url.
Category :Shopping >Lifestyle
Save
Go to Pricing and Availability
Price : 0
Save
Go to iOS App
- App Previews and Screenshots : Upload attached Screenshots (In 5.5 display sectionUpload 6s Screenshots & In 12.9 2nd Gen display Upload iPad Screenshots)
- Promotional Text :
- Description :
- Keywords :
- Support URL : website url
Build : After uploading the build on Application Loader select the build after 15-20min.
Go to Copyright : <App name>
Trade Representative Contact Information: First Name:
Last Name:
Phone Number:
Email:
Rating: Give rating based on the products & business.
Sign-in required : Username: akshay@plobal.com Password: asdasd
Notes: NA

Save -> Submit For review

Select No for all the options.

Hope this article was helpful :)

How to upload an iOS App from the Apple Developer account?

Here's the part one -

Part 2 -