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Why retailers leave SoluM mid-contract

The most common reasons we hear from US retailers switching off SoluM Newton ESLs onto ZKong: enterprise contract terms (multi-year minimums, escalator clauses), slow support response from regional partners, and the rigidity of getting custom hardware variants approved. None of these are dealbreakers if you’re a 500+ store chain — but for independents and regional chains, they grind.

That’s why migration questions come up. If your contract’s expiring or you’re still in pilot phase, switching is genuinely doable in 4-8 weeks per store with low operational risk. Here’s the playbook.

The bad news first: hardware doesn’t cross-talk

SoluM Newton ESLs talk to SoluM SSP cloud platform via a proprietary 2.4 GHz radio protocol. ZKong ESLs talk to the ZKong cloud via a different 2.4 GHz protocol. They cannot share the same gateway, and a SoluM ESL cannot be re-paired to ZKong cloud. Migration means full hardware replacement.

This is the same story for every brand-to-brand migration in ESL-land — Vusion to Hanshow, Pricer to SoluM, etc. It’s not unique to ZKong.

What CAN move over: the data

Three things transfer cleanly from SoluM SSP to ZKong cloud:

• SKU master data: SoluM SSP exports product catalog as CSV. ZKong cloud imports the same fields (SKU, barcode, name, price, unit, category) directly via web upload or REST API.
• Label templates: The visual templates (logo position, font sizes, price formatting) don’t auto-port — you rebuild them in ZKong cloud, but the design is reusable. Allow ~2 hours per template.
• Store + zone mapping: Aisle/section names, planogram references, store IDs. Export from SoluM as CSV, import to ZKong.

What doesn’t transfer: the ESL-to-SKU pairing (since you’re replacing the ESLs), historical analytics from SSP (lives in their cloud), and any custom integrations you wrote against SoluM’s API.

Suggested rollout sequence

1. Pilot store overlap (week 1-2): install ZKong gateways and sample labels in one section while SoluM still runs the rest. Test side-by-side. Gateways from different brands don’t interfere with each other on shared 2.4 GHz frequency — no co-existence risk.
2. POS feed reconfig (week 2): add ZKong cloud as a second sync target alongside SoluM. Same source data, two destinations.
3. Section-by-section swap (week 3-6): remove SoluM from one aisle at a time, replace with ZKong. Same week, you scan barcodes to pair the new ESLs to existing SKUs (using ZKong’s mobile app or bulk CSV).
4. Decommission SoluM gateway (week 7-8): once last SoluM ESL is removed, gateway can be powered down and returned per your contract terms.

Per-store cost is purely the new hardware + labor — no migration software fees, no data conversion fees.

Gotchas worth knowing

Battery disposal: SoluM Newton uses CR2477 coin cells. If you’re scrapping working hardware, batteries can be removed and recycled separately (Call2Recycle drop-off at any Home Depot or Best Buy). Don’t throw whole ESLs in regular trash.

Labels per shelf-clip compatibility: SoluM clips and ZKong clips have slightly different mounting profiles. Confirm physical fit on your shelf type before bulk ordering — request samples and test on actual fixtures. Most modern gondola shelving accepts both, but freezer rails and some specialty fixtures vary.

Contract escape: read your SoluM master service agreement carefully. Some contracts require 90+ days notice; some have liquidated damages clauses for early termination during the initial term. Most retailers we’ve helped wait until natural expiration rather than pay early-termination penalties.

Cost comparison after migration

Across the migrations we’ve scoped: total cost of ZKong hardware + cloud subscription typically runs 30-50% lower over a 5-year horizon than SoluM’s enterprise contract structure for under-200-store chains. The savings are concentrated in two places: no enterprise contract minimums, and US-stock shipping (no global allocation queues).

That math reverses at chain scale (500+ stores) where SoluM’s account team and global logistics start to outweigh the per-unit cost premium. Your size determines which way the math falls.