Smartphone Upgrade & Device Purchase Point Activity 2026 — Cut Your Real Cost with MNP, Trade-In & Routing

Deep dives Published:2026-05-30 7 min read

Phone upgrades combine "MNP, device, and trade-in"

For phone upgrades and device purchases, combining high-value point-site offers, MNP (switching) perks, device trade-in, and economy points greatly cuts your real cost. In particular, an MNP switch pays 5,000–15,000 yen in cashback + a device discount for big impact. This article organizes how to assemble point activity around phone upgrades and device purchases. Pair it with the cheap-SIM switching chapter.

Rewards a phone upgrade unlocks

ElementReward/discount (approx.)Key point
MNP switch offer5,000–15,000 yenPoint-site routing + carrier perks
Device trade-inThousands to tens of thousands by modelTrade in your old device
Device-purchase routing cashback~1 %+When buying the device on EC
Economy points / card1 %+Double-dip on payment

Note: rewards, discounts, and conditions vary by carrier and period. Before switching, confirm the latest MNP offers and cashback on Pointnavi.

Steps for phone-upgrade point activity

  1. Decide between switching (MNP) and upgradingMNP has more high-value perks. cheap-SIM switching chapter.
  2. Compare offers on a point siteCompare MNP / device-purchase offer values on Pointnavi.
  3. Trade in your old deviceThe trade-in value is an effective discount. Get it in good condition.
  4. Pay with your economy's cardThe device cost and admin fees count toward payment rewards too. double-dipping chapter.
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Upgrade time is a big chance to grab MNP switching + trade-in + routing cashback all at once. With a switch, one go can mean 5,000–15,000 yen + device discount + trade-in — a difference of tens of thousands of yen in total. Optimize your phone bill too in the cheap-SIM chapter.

Cautions

  • Check remaining debt and cancellation fees: any device installment balance or old-plan cancellation fee.
  • The award comes after activation/use: MNP offers often require activation + a set usage period.
  • Short-term cancellation risk: repeatedly cancelling right away for rewards can get contracts refused.
  • Trade-in conditions: device condition and accessories change the trade-in value. Confirm beforehand.

FAQ

How much do I save with an upgrade?
An MNP switch means routing cashback 5,000–15,000 yen + device discount + trade-in. It can total a difference of tens of thousands of yen. MNP perks are bigger than a same-carrier upgrade.
Do trade-in and point activity coexist?
Yes. Trade-in is an effective discount on the device cost; point activity is routing cashback. They're separate, so you get both.
Is switching to a cheap SIM an option?
Yes. Device purchase + a cheap SIM cuts your phone bill too. Compare in the cheap-SIM switching chapter.

This article was written from publicly available information on each point site as of May 2026. Cashback rates, campaign terms, and redemption rules can change without notice — always check each site's official page for the latest. This site uses each point site's referral program, but going through a referral link never changes the rate you receive.