Effective Monthly Device Cost
$0.00
Net Device Total
$0.00
T-Mobile's 24 monthly bill credits completely offset your retail installment, dropping your device balance to $0.
Promotion Parameters
Simulate the T-Mobile launch promotion featuring up to $999 bill credits with eligible trade-in and qualifying plans over 24 months.
Model / Storage
iPhone 18 Pro 128GB
Qualifying Plan Tier
Go5G Next ($85/mo)
$800
$0 (No Trade)
$500 (Mid tier)
$1,000 (Top tier)
Agreement Term
24 Months
Carrier 24-month Equipment Installment Plan (EIP) with monthly recurring bill credits.
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Amortization & Erasure Analysis
★ 100% Cost Erasure
Monthly Installment
$41.62
Monthly Promo Credit
$41.62
Total Promo Savings
$999.00
Total Monthly Outlay
$85.00
24-Month Bill Credit Wipeout Progress
100% Covered
Month 1 ($41.62 cr)
Month 12 ($499.50 cr)
Month 24 ($999.00 cr)
EIP Amortization Schedule (Selected Milestones)
| Billing Period | Device Charge | T-Mobile Bill Credit | Plan Service | Net Bill Outlay |
|---|
Source Coverage: Mashable report on T-Mobile iPhone 18 Pro launch promotions (Sept 2026).
Promotional Terms: Credits applied in equal 24-month increments via bill credit. Early cancellation makes remaining balance due.