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WOW, that's wonderful! Thank you for this ray of hope!
However, by now, if you read my recent post, my broken mobile was recovered. I hope, my wallet will be safe once I get it repaired. But your idea should bring in relief to many people who have or will loss their wallet without a back up. So I hope, there would be a good economic incentive for you in completing your project. All the best for your project.