
Steve Jobs was tipped off by Apple’s wireless expert about potential antenna problems of the iPhone 4 early in its design phase, according to Bloomberg.
Ruben Caballero, a senior engineer and antenna expert at Apple, told executives that the device’s external antenna design could lead to reception problems, a source told Bloomberg. The publication also cited a carrier partner who voiced similar concerns about the design. Both sources wished to remain anonymous.
Apple did not immediately return a request for comment.
Though the iPhone 4 has received positive reviews from critics, the device’s antenna design has repeatedly been under fire in the press. The device sports an external antenna contained in a steel band laced around the phone, and several customers and bloggers have reported that covering a gap in the lower-left corner causes reception loss, sometimes resulting in dropped calls.
Bloomberg’s report suggests that Jobs was well aware of a possible problem but steadfastly went forward with the new design.
It seems plausible that Caballero would voice such concern, because when the iPhone 4 was announced, a few antenna experts predicted that the external design would cause issues.
In response to the first wave of complaints, Apple’s press relations team published a letter claiming that the iPhone 4 was exaggerating both the highs and lows of its signal strength due to a software-calibration issue. The company promised that a software update would remedy the problem.
However, the tipping point occurred when Consumer Reports said it could not recommend the iPhone 4 after running extensive lab tests and confirming that the iPhone 4 was more susceptible to attenuation than other handsets.
Late Wednesday evening, Apple PR invited select members of the press to attend a Friday press conference regarding the iPhone 4. The company did not share further details on what would be announced.
In an editorial, Wired.com staff argued that Apple should fix the hardware issue in future shipments of the product, as well as offer affected customers free cases or bumpers.
Wired.com will be covering Apple’s press conference Friday beginning at 10 a.m. PT. Stay tuned.
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Photo: Jon Snyder/Wired.com


