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To check when a Samsung phone was made, find its serial number and decode it only with a Samsung date-code chart that applies to that phone and market. Samsung’s Georgia warranty document describes one way to read a manufacture month and year, but the available official material does not establish that its code works for every Galaxy worldwide.
Find the phone’s serial number
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On the phone, open Settings and look for device information or status details. The exact menu path varies by model and software version.
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For a registered device, Samsung says you may also find the model, serial number and IMEI in the Samsung Members app under Get help. See Samsung’s guide to finding a Galaxy device’s model and serial number.
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Use the serial number for a chart that decodes manufacture dates. It is not the same as the IMEI: Samsung describes the serial number as a manufacturer-assigned device identifier, while the IMEI identifies phones and other communication devices.
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- Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup). It will NOT work with other CDMA carriers, and it is also not compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc).
- Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
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Decode the serial number only with an applicable Samsung chart
Samsung’s Georgia-hosted warranty card gives a particular serial-number scheme. For that chart, count from the right: the seventh character from the end is the year code, and the sixth from the end is the month code. In its month system, 1–9 represent January through September, while A, B and C represent October, November and December. The document also supplies a year-code table; use that table rather than guessing the year from a character.
Those positions and codes describe the scheme in Samsung’s Georgia warranty card. Do not assume they apply to a phone sold in another market or to every Galaxy model. The chart provides a month and year, not an exact day.
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Choose a date-checking method with the right level of confidence
| Method | What it may show | Basis and limitation |
|---|---|---|
| Serial-number decoding | Manufacture month and year under the applicable chart | Samsung’s regional warranty document; its scheme may be product- or market-specific. |
| RF CAL dialer code | A date community contributors interpret as factory calibration or factory boot timing | Samsung Members community posts; the cited official support material does not establish the code as a universal manufacture-date method. |
What the RF CAL code does—and does not—confirm
Some Samsung Members community contributors report entering *#12580*369# in Samsung’s Phone app and checking the RF CAL value. One contributor describes it as a factory boot date; other explanations associate it with calibration. Samsung’s cited official support pages do not document this code as a definitive way to find a phone’s manufacture date. Treat it as an unofficial clue: it may not work on every model or software version, and its meaning should not be taken as confirmed manufacturing date. The discussion is in a Samsung Members community thread about an S23 manufacturing date.
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When to ask Samsung to confirm the date
If the serial code is unclear, your phone was sold in a different market, or the date matters for a warranty claim, contact Samsung support for the phone’s region. Samsung Gulf describes warranty lookup by serial number or IMEI and notes that service centers may consider e-warranty registration and production dates when a paper invoice is unavailable. Warranty procedures differ by region; see Samsung Gulf’s warranty-period guidance.
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- LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
- MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
- NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
- BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.
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