[cool 8720 external change price and purchase guide: maintenance costs, model comparison and procurement techniques]
The age of the smartphone has increased and the ageing of the screen has become the most common hardware problem for users. Coolite 8720, a durable machine, continued to grow in demand for replacement of the outside screen. This paper will deepen the maintenance price system for the external screen of the machine to compare the main model parameters and provide a full outline of the acquisition channels, quality assurance policies, maintenance processes。
I. Requisite and price composition of the outer screen replacement
1. Screen structure
The coolie 8720 uses 2. 5d arc glass + ogs fully integrated technology with an overall outer screen thickness of only 0. 8 mm. According to maintenance data, the external screen failure rate for this type of machine is 37 per cent, mainly as follows:
- broken glass (62%)
- touch failure (28%)
- border degel (10%)
2. Composition of maintenance costs (update data)
Cost of materials ($)
- - - - | - | - | - | - | - | - | - |
| total screen replacement 58-88 | 35-50 | 93-138 |
| glass replacement 28-45 | 25-35 | 53-80 |
| touch repair 15-25 | 20-30 | 35-55 |
3. Price volatility factors
- plant certification channels: material security for 1 year, price rises of 15-20%
- third-party maintenance points: 10-15 per cent lower price, 3 months generally for quality assurance
- glass type difference: conning gorilla glass (+ $18) vs ordinary steel glass
Ii. Mainstream external screen model comparison (september data)
1. Official plant screen (cpk-8720a)
- dimensions: 5. 8 inches (16:9)
- pixels: 2160 x 1080
- touch sample rate: 180hz
- sale price ranges: 128-158 inclusive
2. Premium screen (eagle-8720)
- advantages: support fingerprint recognition under screen (adaptive version)
- pixels density: 386 ppi
- scratch level: 3h
- price: 95-120
3. Economic (taiwan-8720)
- appliance scenario: basic touchdown needs
- contrast: 500:1
- colour field: 72% ntsc
- price: 68-88 dollars
Iii. Comprehensive purpose
1. Officially mandated service points
- advantages: quality assurance for the longest period and support for nueco
-appointment process: wikimedia commons "cooler service" selects internet spot payments
2. Flagshop of the electrician platform
- skycat/kyodong official shop: provides anti-forgery source code
- after-sale security: 7 days without justification + 1 year quality assurance
- promotional node: 618/bis11 by 30 per cent
3. Third-party maintenance platform
-58 co-city/little fish certification businesser: validation of the "silver maintenance certification" logo
- price advantages: average low of $15-20
- risk tips: suggest the choice of a business that offers "first-in-first-in-first-out" services
Iv. Guidelines for shipping places
1. Five-step approach to quality testing
Touch test: move the edge of the screen with your fingernails and check for leftovers
2 contrast detection: playing pure colour video, observing dark detail
3 pressure proof: press the centre of the screen with a coin (recommended pressure < 5n)
4 colour calibration: comparative standard colour card (r125g63b116)
5 size measurement: confirmation of diagonal length (28. 6 cm)
2. Compatibility validation list
- network frequency band: b1 (mobile)/b3 (connection)/b5 (telecommunication) required
- size matching: 0. 3 mm error for border and..
- interface position: confirm accuracy of sim slot to charger
3. Post-sale voucher management
- maintenance of electronic maintenance documents (including maintenance time stamp)
- recommends that photographs be taken to record the process (focusing on the line interface)
- the same problem can be changed free of charge during the quality assurance period
V. Detailed maintenance processes
1. Online appointment (30 minutes)
1 select recent service point (maps showing 30km intranet)
2 select type of maintenance (exterior screen replacement + touch repair)
3 payment of down payments (approximately 30 per cent of total costs)
2. Dismantling machines (1-2 hours)
1 operation with a static bracelet
2 test the main panel line integrity
3 measuring screen brightness even (standard value 400cd/m2)
3. Replacement operations (45-60 minutes)
1 dismantling order: lined screwdriver screen total
2 use of dustless slabs at class b 700
3 system calibration after installation (restoration of plant settings)
4. Delivery for examination (15 minutes)
1 check for quadrant frames (standard < 0. 1 mm)
2 test call function
3 archiving panorama
Vi. Quality assurance policy comparisons
1. Official channels
- quality assurance period: 12 months on screen
- quality assurance coverage: non-anthropogenic damage
- time limits: 48 hours of home service
2. Third-party platforms
- quality assurance period: 6 to 12 months (specified business)
- additional services: free membrane (value 15 yuan)
- dispute management: video of maintenance process required
3. Autonomy
- quality assurance period: no official guarantees
- risk warning: no compensation for damage caused by water or decommissioning
Question answers
Q1: what happens when the outside screens are replaced
A: check whether the lined interfaces are tight (aided by a sling) and re-registered touchpoints
Q2: how do you identify fakes
A: observation of an angle of the edge (resistent 45° round corner), scan of 2d to verify batches no. No
Q3: how are the data protected during maintenance
A: free cloud backup from official channels (for advance appointment) and self-recommended data from third parties
Q4: system change cards after replacement of external screens
A: proposed restoration of plant set-up and clean-up of storage space (maintain thorium 8gb)
Q5: does external screen replacement affect waterproofness
A: official maintenance using an ip53 type of tapering, third party recommending 3-6 months to avoid bubble water
Analysis of market trends
According to the q2 industry report, the demand for replacements for the coolite outer screen 8720 shows the following characteristics:
1. Cycle of price decline: a further 10 per cent reduction in the projected base price as a result of upstream panel price reductions
2. Maintenance technology upgrade: oled screen adaptation will be introduced in q1
3. Post-sale service extension: the official web site began providing screen ageing testing services
Ix. Recommended purpose programmes
1. Student preference package: external screen + steel membrane combination price (less $20)
2. Enterprise bulk procurement: 9 discounts + no labour fees for 5 or more
3. Old for new activity: old screen discount of $30 (non-breakscreen only)
X. Recommendations for long-term maintenance
1. Quarterly maintenance: use of screen cleaning kits (including nanoscale fibre sheeting) every 3 months
2. Winter protection: avoid environmental storage below -10°c
Charging habits: original chargers are recommended (output power 5w)
4. Wrestling measures: installation of fall-resistant border (upgraded to 1. 2 m)
Through a detailed reading of the paper, users have accurate access to the full process information for the replacement of the cool screens of 8720. It is recommended that priority be given to official authorized sites, with the option of a third-party platform if the budget is limited, subject to rigorous certification of qualifications. For machines with frequent problems, it is proposed to simultaneously upgrade the main panel to protect the circuits (at a cost of approximately $80). Last reminder: the screen is a precision optical component and non-professionals do not dismantle it themselves。
Coolie 8720 external change price and purchase guide: maintenance costs, model comparison and selection techniques
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