iPhone 18 Pro Display Defect: Colored Lines Plague New Devices
Apple's newly launched iPhone 18 Pro and iPhone 18 Pro Max are encountering immediate quality control scrutiny as early adopters in Bangladesh and international markets report a disturbing visual anomaly. Within days of unboxing, multiple buyers have documented the appearance of vivid, vertical colored lines stretching across the OLED panels — ranging from neon green and pink to deep blue — that persist across reboots and software resets. The issue manifests without physical impact or water exposure, pointing squarely toward a potential manufacturing flaw in the display driver circuitry or the flexible printed circuit (FPC) bonding process.
This development echoes the infamous "green line of death" that plagued certain iPhone 14 and 15 Pro units, though the current reports describe multi-hued artifacts rather than a single hue. Independent repair technicians speculate that thermal stress during the lamination of the LTPO backplane or a batch-specific defect in Samsung Display's M12 panel supply could be root causes. Apple has yet to release an official service bulletin, but authorized service providers in Dhaka and other major cities have begun processing whole-unit replacements under the standard one-year limited warranty, provided no accidental damage is detected.
For consumers, the episode underscores the inherent risk of early adoption for cutting-edge display technology. Experts recommend documenting the defect with timestamped photos and video before visiting a service center, and insisting on a replacement rather than a screen-only repair to avoid future delamination risks. The incident also reignites debate over whether Apple's aggressive annual release cadence compromises component validation cycles. While the affected unit percentage appears low relative to total sales, the visibility of the flaw on a premium device priced above BDT 150,000 erodes brand trust. Analysts will monitor Apple's Q4 earnings call for any acknowledgment of elevated return rates or provision for warranty reserves.
Key Highlights
- Early buyers report vertical colored lines on iPhone 18 Pro/Pro Max OLED screens within days of purchase
- Defect appears without physical damage, suggesting manufacturing flaw in display driver IC or flex cable bonding
- Authorized service centers processing full-unit replacements under standard warranty in Bangladesh and globally
- Issue mirrors previous "green line" problems on iPhone 14/15 series, raising concerns about annual release quality cycles
- Apple has not issued official statement; consumers advised to document defects before seeking warranty service
Source: lastnewsbd
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