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XRF · Dongguan, China

Manufacturing

Mould Development for a New Phone Model: Timeline, Cost and Decision Points

8 November 2026

Every new handset release triggers the same conversation: the model is announced, buyers want stock, and nobody is sure how long a new mould really takes. The honest answer is that the tooling itself is rarely the bottleneck. Approval loops are.

The sequence, with realistic durations

The figures below assume a factory that already runs this category, a customer who can supply a physical sample handset, and a straightforward single-colour case. Add time for anything decorative.

StageWorking days Output you should receive
Sample handset or 3D data confirmed1 to 3 Written confirmation of the reference model and variant, so nobody builds against the wrong one.
Structure design and draft analysis3 to 5 2D drawing with wall thickness, draft angles and the shut-off plan. This is the document to argue about now, not later.
Electrode and cavity machining7 to 12 No output for you. Ask for photographs of the cavity block as a progress check.
First trial (T1)1 to 2 Typically 3 to 8 pieces, unmounted, no surface texture. Judge fitment only, ignore cosmetics.
Correction round3 to 7 each Revised samples. Budget for one or two rounds; more than three indicates the design was rushed.
Texture or surface treatment2 to 4 Samples with the final finish. Colour and gloss can only be judged at this point.
Pilot run and sign-off3 to 5 Small production batch, packaging trial, written approval of the golden sample.

A clean programme therefore lands somewhere between 25 and 40 working days. A programme that hits a structural problem, such as a camera cut-out that interferes with the lens ring or a side button that does not return cleanly, more commonly runs 45 to 60.

Where the schedule actually slips

In our experience the delay is almost never the machining centre. It is one of four things, in this order of frequency:

What the tooling cost actually covers

Mould quotes vary by a factor of three for the same model, which makes them hard to compare. Ask for the quote broken into these lines and the comparison becomes possible.

Line itemWhat drives the number
Cavity machiningNumber of cavities per mould. More cavities means a higher tooling cost and a lower unit price; it only pays back above a few thousand pieces per run.
Trial shotsMaterial consumed during T1, T2 and the pilot run. Often quoted separately, sometimes absorbed.
TextureChemical etching or sandblast. A fine matte finish costs less than a deep geometric texture that needs a second electrode.
Correction roundsThe contentious one. Establish in writing who pays for a correction caused by a design error versus one caused by your changed requirement.
Sampling and freightCourier for each sample round. Small in money, large in schedule.

Milestones worth holding payment against

Paying 100% of tooling up front removes every incentive to finish on time, and it leaves the question of who actually owns the tool unanswered. Ownership is a separate decision, covered in tooling ownership for OEM orders. A structure that works for both sides releases money against deliverables rather than dates:

  1. 30% on order, against the signed 2D drawing. The drawing is the deliverable, not the purchase order.
  2. 40% on T1 approval, meaning the sample physically fits the handset and the button returns correctly. Cosmetic approval is a separate step.
  3. 30% on golden sample sign-off, before the pilot run is packed.

Compressing the schedule without cutting steel

When a launch date is fixed, the question becomes which stages can run in parallel. Three of them can, and they are the three most suppliers leave sequential out of habit.

What cannot be compressed is the correction loop. Skipping T1 and going straight to a textured sample is the single most common way a programme slips by a month, because a fitment problem discovered after texturing requires stripping the surface back off the steel.

When to build, and when to wait

Tooling a model before the retail handset exists is a gamble on dimensions that are still moving. The lower-risk route is to prove the process on the current generation, then cut steel within days of the new handset reaching your supplier. If a buyer needs stock on announcement day, the only realistic plan is to hold finished goods of the previous model and accept a short gap.

The two newest bodies this schedule applies to: Vertex Soft-Touch Matte Dual-Layer Magnetic for iPhone 18 Pro Max and Ripple Texture Soft-Touch Matte Dual-Layer Magnetic for Galaxy S26 Ultra.

Planning tooling for a new model? Send us the model and variant and we will return a stage-by-stage schedule with the payment milestones attached to it.
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Tell us the models, the quantity and where it ships. You get a unit price at your quantity tier, the tooling you are buying into, and the cost to your door — no obligation.

  • MOQ 50 pcs per style — styles and colours can be mixed inside one order.
  • Price breaks from 300, 500 and 1,000 pcs, calculated on the total order quantity rather than per style.
  • Own moulds and injection lines in Dongguan — the tooling is cut in-house, not subcontracted.
  • FOB or DDP — we quote the port price and the door-delivered price side by side.
  • One business day to reply, Mon–Sat 09:00–18:00 (GMT+8).
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FactoryNo. 6, Hebeiling 3rd Road, Guanjingtou, Fenggang Town, Dongguan, Guangdong, China
HoursMon–Sat, 09:00–18:00 (GMT+8)

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