1- How to Know if a Phone is Factory Unlocked?
- Insert any SIM card (Nepal Telecom, Ncell, Smart, etc.).
- If the phone works immediately without showing “Invalid SIM” or “Network Lock,” it is factory unlocked.
- If it doesn’t work, the phone may be carrier-locked and will need unlocking before resale.
2- Checking Display, Touchscreen & Other Functions?
- Samsung Devices: Dial *#0*# to open Diagnostic Mode. Test screen colors, touch, vibration, speakers, and sensors.
- iPhone Devices:
- Use free testing apps like Sensor Kinetics or Test & Check for iPhone.
- Manually check screen sharpness, brightness, font clarity, and color accuracy.
- Use free testing apps like Sensor Kinetics or Test & Check for iPhone.
- General Tip: Swipe across the entire screen to ensure there are no dead zones.
3- How to Check if the Battery is Original?
- Look at the printing and label quality. Genuine batteries have clear, sharp printing and proper alignment.
- Original batteries often have hologram stickers or security markings.
- Test the battery backup — if it drains unusually fast or charges abnormally, it may be fake.
4- How to Check if the Charger is Original?
- Apple:
- Cables have “Designed by Apple in California” text with a serial number.
- Finishing is smooth, connectors fit perfectly, and the cable is recognized by iTunes/PC.
- Cables have “Designed by Apple in California” text with a serial number.
- Samsung/Android:
- The brand logo should be clean and not a sticker.
- Printing on the adapter should be clear and not faded.
- The charger should feel sturdy; fake ones are often lightweight.
- Connect the cable to a PC — original ones will always be detected.
- The brand logo should be clean and not a sticker.
5- How to Check if a Phone is Second-Hand or Refurbished?
- Android: Dial ##786# → Check “Reconditioned Status.”
- iPhone:
- Go to Settings > General > About > Model Number.
- Code meanings:
- M = Brand New
- F = Refurbished
- N = Replacement unit
- P = Personalized (engraved)
- M = Brand New
- Go to Settings > General > About > Model Number.
6- How to Check for Water or Liquid Damage?
- Apple:
- Remove the SIM tray and shine a flashlight.
- Red/Pink indicator = water damage.
- White = safe.
- Remove the SIM tray and shine a flashlight.
- Android/Other Phones:
- Look under the battery or near the charging port for a liquid damage indicator dot.
7- What Do I Need to Sell My Phone to Ramro Daam?
- MDMS Registration is mandatory (phone must be registered in Nepal).
- Original ID card (citizenship, license, passport, etc.).
- Purchase bill/warranty card (if available).
- The phone must be factory unlocked & carrier-free.
- Payment will be made only via bank transfer for security and transparency.
8- Useful Diagnostic Codes (Quick Reference)?
- *#06# → Show IMEI
- ##4636## → Phone & battery info
- ##0*## → LCD display test (Samsung)
- ##2664## → Touchscreen test
- ##232331## → Bluetooth test
(More model-specific codes are available depending on the brand.)
By following this checklist, you can make sure the phone you buy or sell is authentic, safe, and in good condition — protecting both the buyer and seller.