Direct compatibility answer
Is JETech 30-Pin USB Sync and Charging Cable compatible with iPhone 4?
CompatibleRequired
JETech specifies this cable for the Apple 30-pin dock connector on iPhone 4 and iPhone 4s.
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This is for the legacy 30-pin dock connector only; it does not fit Lightning or USB-C iPhones. Safety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.
JETech 30-Pin USB Sync and Charging Cable
iPhone 4
Compatible exact product
Buy this accessory for iPhone 4
Compatibility and buying priority are supported separately above. The purchase destination is verified independently; seller and listing details can still change.
Evidence summary
What the online evidence establishes
Material limitation or blind spotThis is for the legacy 30-pin dock connector only; it does not fit Lightning or USB-C iPhones.
Material limitation or blind spotSafety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.
How we reviewed the online evidence
Online evidence checks
Important blind spots
No material blind spots are recorded for this verdict.
Online sources
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